How exactly does it work? I should put it inside the backpack? Can it be used in any kind of backpack?

Hi, dear customer. Thank you for your question. This is Amanda here to serve you. About our hydration bladder, we have attached detailed instruction on our package for you to quick start on using hydration bladder. Here is the instruction for you. 1.Open the cover by counter-clockwise, and close it by clockwise. 2.Gently bite and pull the tip of the valve with front teeth and push back to stop water flow . 3.For the best results,please do not bit hard or chew on the valve. 4.Please cover the valve when not in use. About your other question,our L 14.2'' x W 6.8'' Hydration bladder is compatible with most hydration packs. When they hydration bladder is empty, it can be folded .So it won’t occupy much room in your backpack. The tube (0.4” diameter, 40” long) provides a wholesome flow for easy drinking, keeping you hydrated when biking, cycling, hiking, or running! You will love this hydration bladder when you get it. Please feel free to write to us if you have any more questions, we are here to serve you all the year around. Regards.

How do you recommend this being washed? I just received this today

Hot water and 2 tablespoons of baking soda.

With such a big lid for filling, how are you to get the full 2 liter's in? Is it 2 liter's starting under filling lid?

I found no way to successfully fill this bladder with 2 liters of water without a bunch of it spilling out when you screw down the cap. Another reviewer reported capacity at 1.6 liters.

Any way I can order a longer tube? I would like to use this while motorcycle riding

I have not found a specific one but you could us aquarium tubing of the same diameter

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Hydration Bladder 2 Liter Leak Proof Water Reservoir, Military Water Storage Bladder Bag, BPA Free Hydration Pack Replacement, for Hiking Biking Climbing Cycling Running, Large Opening, Insulated Tube

Hydration Bladder 2 Liter Leak Proof Water Reservoir, Military Water Storage Bladder Bag, BPA Free Hydration Pack Replacement, for Hiking Biking Climbing Cycling Running, Large Opening, Insulated Tube

Product ID: 120605080

Details

Brand
CHERAINTI
Colour
green
Item Weight
91 g
Material
Nylon
Sport
Climbing

💧2L capacity for all-day hydration

❄️Insulated tube keeps water cool

🛡️Leak-proof design ensures zero spills

70641CFA

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.

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Description

💦 Hydrate like a pro—never miss a beat or a sip!

CLEAN SAFE SIP - BPA-free, food-grade nylon ensures every drop is pure and healthy for your body.
ZERO LEAK CONFIDENCE - Military-grade leak-proof technology means no mess, no stress—just pure hydration.
COOL FLOW EVERY MILE - Insulated tube keeps your water refreshingly cool, even on the hottest trails.
QUICK FILL EASY CLEAN - Large opening design lets you refill and clean faster, so you spend more time moving.
STAY HYDRATED STAY AHEAD - Generous 2-liter reservoir fuels your longest adventures without constant refills.

The CHERAINTI Hydration Bladder is a 2-liter, BPA-free water reservoir designed for outdoor enthusiasts. Featuring a leak-proof nylon construction, a large opening for easy refills and cleaning, and an insulated tube to maintain cool water flow, it’s perfect for hiking, biking, climbing, and running. Lightweight and durable, it fits seamlessly into hydration packs to keep you fueled on every adventure.

Specifications

ASIN	B071DQSZB8
Best Sellers Rank	#66,729 in Sports, Fitness & Outdoors ( See Top 100 in Sports, Fitness & Outdoors ) #23 in Backpack Reservoirs
Brand	CHERAINTI
Brand Name	CHERAINTI
Capacity	2 litres
Colour	green
Customer Reviews	4.5 out of 5 stars 20,182 Reviews
Item Dimensions W x H	17.3W x 38.1H Centimeters
Item Weight	91 g
Manufacturer Part Number	HB-OOA1
Material	Nylon
Material Type	Nylon
Model Number	HB-OOA1
Product Dimensions	17.3W x 38.1H Centimeters
Sport	Climbing
Sport Type	Climbing
Strap Type	Padded Mesh with Adjustable Sternum and Waist Belts
Tank Volume	2 Litres
UPC	667673990832

Reviews

H**Z

Estupendo

Lo que necesitaba

21.07.2024

R**Y

Not the same as the photo!

Very disappointing. I didn't get the one sent in the description! The mouth piece is very basic and rough. There is no quick release where the tube connects to the bag and no free bandana! Update: it has leaked every time I have used it from every opening. I am now returning

12.05.2026

A**B

Perfect for long hikes

Only used it once for a long hike (36km). No leaks, perfect kit.. Does not waste water either, you can completely empty it with the tube. If it can give this same performance long term, it's a spectacular product.

6.03.2024

V**S

Boa

Ótima

8.06.2026

U**7

عمليه

تؤدى الغرض

27.04.2025

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