HighlightsTactical Hydration Pack 3L Water Bladder Adjustable Water Drink BackpackDetails*Features* - ** 3L Lager Capacity* - Built-in with a water bladder,easy to add water;just open the cap of water bladder.** Waterproof Durable Materials* - Constructed by waterproof 600D high-density Nylon material,tear-resistant,abrasion- resistant and durable.** Switch ON / OFF Bite Valve* - Large filling port with secure seal. Bite valve design,convenient for switch on/off the flow of water. Equipped with a tube with a bite valve to drink,so you don't need to stop and hold it to drink.** Humanized Design* - Slender and portable design with middle handle strap,adjustable webbing chest strap and shoulder straps,partaking the load when carrying heavy loads.** Adjustable Shoulder Strap/Chest Belt* - With hand carry strap and adjustable shoulder strap,so you can adjust it to the most comfortable position,suitable for heavy carrying and longtime exercise,walking.**Note* - *1. In order to avoid water leak,before using the water pack,please screw the tube with bladder.*2. Do not overfill the bladder with water,and tighten the back lid to prevent water flowing out.*3.Please allow little differences due to manual measurement.*4.Please allow little color variation for different display setting.*Specifications* - Product Type - Hydration BackpacksWater Bladder Bag - 3LMaterial - Nylon + TPUSize - Approx. 45 x 21cm (L*W)Backpack Usage - Normal Camping & HikingColor Available - Jungle, Military, Acu, Khaki, BlackItem Size - 45.0cm x 20cm x 7.0cm/17.7 x 7.87 x 2.75inchesItem Weight - 376g/13.22oz*Package Lists* - 1 x Water Bottle1 x Bottle Holder Bag