Looking for a mug with a secure lid that doesn't leak....has anyone who has purchased this cup had issues with leaking?

I hope someone talked you out of this mug. The lid does NOT screw on, so when a hot beverage is in the mug, steam builds up (because you have the lid all closed to prevent spillage) and bam! Off flies the lid spilling very hot drinks! With cold drinks there is no problem. The lid is secure. In fact it is hard to remove unless you open the drinking part for air to release the suction!

How many ounces of liquid will the 20 ounce tumbler actually hold?

It holds only 16 ounces! With the lid in place, 16 ounces of liquid comes right up to the bottom of the lid. I did measure it with a measuring cup (twice) just to be certain. It will hold 20 ounces only if you fill it right to the rim. This seems to be the case with EVERY stainless steel insulated tumbler available for sale under every brand I have tried, and it's very aggravating. I'd like to find an insulated tumbler that actually holds 20 oz. with the lid on!

Does this have a non slip silicone base?

No it does not but I like the cup.

Do yeti lids (with the magnet slider) fit this tumbler?

The Yeti mag lids do fit this tumbler. I prefer the magnet lid as its easier to clean. You can purchase separately (either Yeti or generic). I bought the generic lid and it’s identical except it doesn’t say YETI on the magnet.

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SUNWILL Travel Coffee Tumbler 20 oz, Insulated Mug with Lid, Stainless Steel Cup for Outdoor, Powder Coated Navy

Product ID: 344856515

Details

Brand
SUNWILL
Capacity
567 g
Colour
Powder Coated
Material
Stainless
Special features
Break Leak

💧Sweat-proof, no condensation

🔥Keeps drinks hot 6+ hrs

❄️Keeps drinks cold 24 hrs

25371CFA

Duties & taxes included

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

☕ Elevate your sip game with style and performance!

SLEEK SWEAT PROOF DESIGN - Powder coated navy finish offers a stylish, non-slip grip that resists dents and condensation, keeping your hands dry and your style sharp.
TRAVEL READY CONVENIENT - Fits standard car cup holders, dishwasher safe, and backed by a lifetime warranty—because your busy lifestyle deserves reliable gear.
ALL DAY TEMPERATURE CONTROL - Double-wall vacuum insulation locks in heat for 6+ hours and cold for 24 hours, so your drink stays perfect from morning commute to evening unwind.
LEAK RESISTANT ECO FRIENDLY LID - BPA-free sliding lid with splash-proof seal and straw-friendly design ensures mess-free sipping wherever your day takes you.
PREMIUM STAINLESS STEEL DURABILITY - Crafted from 18/8 304 food-grade stainless steel, this tumbler is rust-proof, unbreakable, and BPA-free—built to last and safe for daily use.

The SUNWILL 20oz Travel Coffee Tumbler features double-wall vacuum insulation to keep beverages hot for over 6 hours and cold for up to 24 hours. Made from premium 18/8 304 stainless steel with a durable powder-coated navy finish, it offers a sweat-proof, rust-resistant, and unbreakable design. The BPA-free sliding lid is splash-proof and straw-friendly, making it perfect for on-the-go use. Dishwasher safe and designed to fit car cup holders, this tumbler combines functionality with sleek aesthetics, backed by a lifetime warranty for peace of mind.

Specifications

ASIN	B07MV6Z896
Age Range Description	Adult
Best Sellers Rank	#98,578 in Kitchen ( See Top 100 in Kitchen ) #2,158 in Insulated Cups & Mugs
Brand Name	SUNWILL
Capacity	567 g
Color	Powder Coated Navy Blue
Customer Package Type	standard packaging
Customer Reviews	4.6 4.6 out of 5 stars (47,325)
Finish Types	Powder Coated
Included Components	Lid
Is the item dishwasher safe?	Yes
Is the item microwaveable?	No
Item Dimensions W x H	8.6W x 17.1H centimeters
Item Weight	327 g
Manufacturer	SUNWILL
Material Features	Insulated
Material Type	Stainless Steel
Material Type Free	BPA Free
Model Number	TravelTumbler
Number of Items	1
Occasion	Birthday
Other Special Features of the Product	Break Resistant, Leak Proof
Pattern	Solid
Product Care Instructions	Dishwasher Safe
Product Style	Modern
Recommended Uses For Product	Home, travel, outdoor activities
Reusability	Reusable
Shape	Round
Size	20 Ounces
Specific Uses For Product	Cold Drinks, Hot Drinks
Subject Character	Navy Blue
Theme	Sports
UPC	670924518426
Unit Count	1.0 Count

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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Smooth transaction and product arrived in perfect condition.

3 weeks ago

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25371CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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