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🛏️ Sleep Defended, Comfort Elevated — Your Mattress’s Best Bodyguard
The HOSPITOLOGY PRODUCTS Mattress Encasement is a premium, zippered mattress protector designed for king-size low-profile mattresses (9"-11" depth). It features a 100% waterproof, lab-tested barrier that blocks bed bugs, dust mites, and allergens, while its breathable polyester knit fabric ensures cool, comfortable sleep. The stretchable fit prevents slipping and noise, and it’s easy to maintain with machine washability and a 5-year warranty. Highly rated and trusted by thousands, it’s the ultimate sleep defense system for allergy sufferers and anyone seeking superior mattress protection.









| ASIN | B00P6XQB0E |
| Age Range Description | Adult |
| Best Sellers Rank | #4,644 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #9 in Mattress Encasements |
| Brand | HOSPITOLOGY PRODUCTS |
| Brand Name | HOSPITOLOGY PRODUCTS |
| Closure Type | Zipper |
| Color | White |
| Customer Reviews | 4.6 out of 5 stars 1,981 Reviews |
| Fabric Type | Polyester |
| Item Weight | 3.6 pounds |
| Manufacturer | HOSPITOLOGY |
| Manufacturer Part Number | SDSM03K9 |
| Manufacturer Warranty Description | Hospitology Products offers a 5-year Limited Warranty from Date of Purchase. |
| Material Type | 9" - 11" Depth Mattress |
| Model Name | Hospitology Products Mattress Encasement |
| Model Number | SDSM03K9 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Other Special Features of the Product | Water Proof |
| Product Care Instructions | Machine Wash |
| Size | King |
| Special Feature | Water Proof |
| Thread Count | 2000 |
| UPC | 855039004464 |
| Unit Count | 1 Count |
| Water Resistance Level | Waterproof |
E**D
Great Protection. Quality Construction.
The HOSPITOLOGY PRODUCTS Mattress Encasement - Zippered Bed Bug Dust Mite Proof Hypoallergenic - Sleep Defense System is a top-tier mattress protector designed to provide ultimate protection against bed bugs, dust mites, and other allergens. It’s an ideal solution for those with allergies or anyone seeking to create a cleaner, more comfortable sleep environment. The encasement fits snugly around the mattress and features a secure zipper that prevents pests from entering or escaping, ensuring full coverage. Made from durable, hypoallergenic material, it offers peace of mind by safeguarding against dust mites and allergens, which is especially beneficial for individuals with asthma or allergies. The material is breathable, which helps maintain temperature regulation and a comfortable sleep environment throughout the night. The Sleep Defense System technology is an added bonus, ensuring that the encasement is effective in blocking both bed bugs and allergens. The encasement is easy to install and remove for washing, making maintenance a breeze. Plus, it’s designed to be quiet, so you won’t have to worry about any crinkling noises while you sleep. Overall, the HOSPITOLOGY PRODUCTS Mattress Encasement is a great investment for anyone looking to protect their mattress and improve their sleep quality, particularly for those prone to allergies or looking to prevent infestations. The combination of durability, comfort, and protection makes it a standout choice.
C**E
Best size to buy for a 10" thick Tulo mattress
I put this encasement on a new Tulo full size 10" thick mattress. I compared this encasement with one from Linenspa, Utopia Bedding and Saferest. Actually I looked at many more, but narrowed it down to these 4. Here is why I chose the Sleep Defense System: 1. Only one that was really properly lab tested and hospital grade. 2. Polyester soft knit fabric. Linenspa has polyester also, but my friend bought one and it slips around a lot and is noisy when you sleep on it. Utopia Bedding one is PVC which is very slippery and noisy. Saferest is cotton terry and very soft and probably not noisy, but their price was the highest of all 4 and it just did not seem worth $50. 3. The bug flap and zipper lock. I felt that the Sleep Defense encasement had the best system for keeping out bed bugs. 4. Reviewers said the encasement was breathable and they did not get hot at night. I find this to be true. 5. Size and Fit. These encasements are noisy if they are too big and they slip around. Plus they are uncomfortable as well. I bought the 9" to 11" Low Profile in the full size and the fit is perfect for my 19" mattress. I have nothing underneath it like some people do. It slipped on very easily and it does not move around and there is no excess that I need to tuck in somewhere. 6. Of the 4 brands I compared, Sleep Defense had the most reviews, 5,193 at the time and the highest rating of 4.6. If that many people love it, I figured I could not go wrong. I was very happy from the minute the cover arrived and having slept on it for a little over a week I am still very happy with the product. I would highly recommend this product to anyone needing a high quality, multi-functional and reasonably priced encasement.
C**I
I liked it
I put this on myself....its not very difficult, but if you can....get help. Otherwise I love this cover. Fit my queen foam mattress perfect. Didn't have any weird smell out of the package. The instructions were easy. I have peace of mind that my mattress is well protected from dust mites. It was an easy wash, and didnt show any signs of damage from the machine. My sheets fit perfect right over it, no rolling up. Its not uncomfortable and thick.
G**N
Perfect fit on 74x74x9 mattress
Perfect fit and working really well for us. We really cleaned the mattress of any unwanted dirt and bugs dried it really well in the sun and now all is well in the bedroom. However make sure to scrub base well too - we took off old covers etc and scrubbed the wood and sprayed with bug spray - cleaned the bedroom thoroughly inside and out and under of all furniture even inside of the free standing fan where bugs were hiding too, then sprayed all skirtings furnishings etc etc . We will repeat sprays for next few months to ensure eggs will not hatch and return us to the status quo that we found on returning home to Fiji after a time away.
M**O
Great encasement for the money - Some BED BUG info for you too!
Having worked in the hotel industry for 13 years, I know mattresses can get very dirty. When it comes to my house, I find a mattress encasement can do wonders. I purchased this particular one for a sofa bed mattress. Knowing that people spills things on sofas and crumbs fall into the cracks, I wanted to keep the mattress protected so my guests can enjoy a good night's rest. Here are a couple things to note in particular to sofa beds. This encasement advised it was intended for thinner mattresses. Other than standard size and sofa bed size, I am not familiar with a mid range unless we are talking toddler bed which is a completely different size. This encasement was a bit large on my double size sofa bed mattress, but this didn't bother me much other than a little tucking. The zipper is good quality and there is a strap to cover the zipper thus enclosing it completely. The material also seems of a good quality. Nice texture to the touch and strong. The only reason I am not giving it 5 stars is that the item I received had mold growing on it. I had to wash it twice to get the mold out. This could have been a fluke with moisture in the plastic bag, but it proved that the fabric could attract mold if left in a dark humid place. BED BUGS I did want to say a few things about bed bugs since I have experience in this area. They are a nuisance and thus why they are pests, but don't be alarmed as they do not transmit disease. They do bite and are attracted to blood. They prefer humid dark places to live and breed. They only become active when there is no movement around them and generally shy away from light. If you want to inspect your bed of bed bugs, check all edges of your mattress, flipping the seams. Flip your mattress and check the other side's seam. Check box springs and any openings in the fabric. Finally check carpet edges near bed. If you find small brown spots, this may be a sign they are nearby. Finding a single bed bug is enough to take action. There are two ways to treat/exterminate. Chemical and heat treat. I would highly recommend calling a professional exterminating company. I would NEVER recommend using an encasement like this to trap them and go about your life. Bed bugs will not easily die from being in this encasement. This could just cause them to breed even more and the moment you get a tear in the encasement, you will have a large infestation. Do yourself a favor and treat it. Bed bugs like living in and around fabrics, so you may need to have your cloth and anything else that is fabric treated. No, you don't need to throw away your mattress, there are solutions to bed bugs. Yes, this encasement can help prevent future incidents.
A**J
The best at this price..... and possibly the only option at this price depending on what size you're looking for....
I don't have bedbugs but I work at an institution that does (and that might as well laugh in the faces of any staff that gets them) I work with with disabled residents whom I have a good enough rapport with that I get a lot of not quite consensual hugs. Sweet, kind of, but unreassuring when they refuse to put their potentially bedbug infested clothing and linens on high in the dryer my employer provides them. I also have the most rascally service dog (my first ally bully breed mutt) who can be found at my workplace midday snoring loudly while napping on her back on the bedbug infested carpets. She waits until she thinks I am not looking and then she will try to cuddle up on the bedbug infested couches with whichever client smells like s/he has the worst hygiene Also, the ever non-discriminator she likes to try to cuddle with the sleeping homeless of San Francisco when we're out on walks. I give her a lot of baths but I'm still never sure. I wanted some piece of mind without having to dodge ever hug from my clients and have to keep my dog on leash at every park in city limits. My dog also has a bad habit of sneaking onto my bed and spite peeing in my bed after every time I kick her out for sneaking in. (She's allowed to be on the bed but only if I'm in it.) My current 15 year old mattress has an almost $50 Allerease Ultimate cover on it that was put on there one dog ago. That cover works well despite a small tear it got when I was putting it on that I had to tape up (the Allerease cover tore easily over a regular Full matress). The Allerease sleeps very cool, is highly liquid resistant, helped my allergies, was virtually undetectable below the sheets, and hadn't gotten any bedbugs despite the neatly taped up hole. WIN! Hence, when I tried to buy new covers for my brand new folding Full size foam futon base and my brand new Full size custom made Japanese shikibuton matress I was going to go with Allerease Ultimate again. However, those covers were much too big! There were limited options for low profile covers that protect against both bedbugs and rascal dogs and this was one of the few. I bought the Low Profile Full for my folding foam base matress. It didn't fit perfect and it did make it moderatetly more difficult to fold/unfold but it went on easy enough and was sturdy enough not to tear when I put it on by myself (unlike the Allerease). I put a high thread Queen size duvet cover on top it (queen size to account for folding and the fact it's thicker than a duvet) and slept on top of that for the first week or so until my custom-stuffed Full size shikibuton matress came in.. It sleeps warmer than the Allerease despite being a thin foam matress on cement on the ground level of my loft. My last matress that had the Allerease Ultimate on it was a thick pillow top extra firm matress on a wood base in a loft that is ten feet up from my current sleeping spot. It hasn't been a big deal but it's significant enough to notice. It appears to be water resistant and likely waterproof. I don't know about bedbugs but I think it would probably deter them and I'm neither daft nor dumb nor daring enough to test that one. But it doesn't have a duct taped hole in it from putting it on by myself so it would probably work okay. This one is definately more sturdy than the Allerease Ultimate but it's more noticable to me. Thankfully, it's not a crinkly plastic so it's not too noticable. I notice but my bestie (who loafs on my matress watching TV) and my dates don't notice. The rascal dog who is easily the most pathetic service dog I've ever trained is scared lying on plastic tarping and so she either doesn't notice or her desire for sleeping in the big bed trumps it. I will admit I still like the Allerease Ultimate slightly better.... but the price is way better on this one, too. It also comes in low profile which I needed. I ordered it again, this time in Ultra Low Profile for my new shikibuton matress that just came in. Shikibutons are not thick like their American mattress cousins and despite my custom cotton/wool blend extra thick custom shikibuton order, my new matress is far more trim than it's cousins from out West. Indeed, a Sleep Defense System cover was pretty much my only option without dismal reviews off a very short list. I liked the last product well enough I was like, "Oh, what the heck." It's a four star product. However, with the price and shipping service I got when I ordered it from Hospitology I've decided it's close enough to five stars to round up.
B**B
Extremely High Quality Product
This purchase was worth getting. This was more expensive than some of the other options in this category so I hesitated on purchasing this one at first. After getting it, a few things stand out: it's very high quality. The fabric feels nice, it looks nice. One great feature is the zipper is easy to locate and it's orange and well built, so it's really easy to put it on the mattress. The stitching, the material, all of it seemed to have a lot of attention to detail. So far, it seems great. It seems extremely well made. Although I didn't purchase any comparable products, I feel like I made the right decision and it feels like a lot of detail and care was put into this product and it's worth the small premium over possibly cheaper alternatives.
R**O
Fits great. Sealed cover!
Perfect cover! Live it!
C**A
It’s great
Very good quality 👍
Y**N
Overall good quality
Nice quality, fits an Origin Queen size mattress nicely and it does not not make the crinkle sound too loudly. It does affect the softness and the cooling feature of the bed though; has a slight plastic texture feel instead of the bed’s Tencel feel which defeats the purpose of buying a good quality bed. But with Tencel bedsheets it helps a little in making the bed comfortable again. Did not try to see if it’s waterproof yet. There’s a small stain when received.
J**L
RECOMENDABLE
Súper buen producto. Quedó perfecto para el colchón y los materiales son de alta calidad. Recomendado
J**S
performance of product.
I haven't had these products for very long but they are certainly satisfactory so far. No complaints. Good value for money
T**C
Excelente producto
La verdad esperaba que fuera un producto medianamente bueno pero mi sorpresa fué otra, es un producto bastante bueno, compré uno de una media de anchura menor y se estiró hasta encajar bastante bien, su cierre es muy bueno y sus materiales también, lo único que no me gustó fué que dejó aire encerrado dentro y se hace una burbuja de aire al acostarse pero es un detalle menor y solucionable. Muy bien producto.
Trustpilot
3 weeks ago
4 days ago