*KeyFeatures *Practical & Innovative Water Bladder: This hydration backpack has a large opening for effortless filling and cleaning. It features an automatic shut-on/off valve to avoid leakage, a 360° mouthpiece with a dust-proof cap to maintain hygiene, and an ergonomic handle design for convenience and functionality. Experience a seamless and convenient drinking experience. *2L Practical Water Bladder: The hiking backpack with water bladder includes a food-grade TPU water bladder, ensuring a pleasant drinking experience. Its leak-proof automatic shut-on/off valve and sealed detection technology avoid leak risks, providing you with peace of mind. *Durable & Waterproof Polyester: The running backpack is made from waterproof 420D polyester material. It is tear-resistant and abrasion-resistant for various outdoor conditions. The brand zippers are tested 3000 times for long-lasting durability. Experience smooth and effortless use on adventures and long trips. *Your Ideal Storage Companion: The hydration pack backpack features a multi-functional storage design. In addition to the main pocket for a 2L water bag, the zippered front pocket can store wallets, tissues, and food, 2 shoulder strap storage pockets can hold a phone, notebook, and map. It includes a helmet buckle. The outer layer features elastic storage cord for attaching water bottles, umbrellas, and towels and other gear. Flexible and customizable storage keeps every item within reach. *Security and Functionality Outdoors: This hiking hydro backpack offers breathable mesh back padding to reduce stuffiness, and shoulder and waist straps with foam padding fit securely, providing a comfortable all-day carrying experience. Water tube clips and an emergency whistle enhance security performance, making it suitable for outdoor cycling, running, short hikes, music festivals and other multi-scenario needs. ******************************************************************************************************* *Specifications Item Model Number: SS-69962-2 Color: Black with Silver Gray Material: 420D Polyester, Waterproof Backpack Capacity: 8L Hydration Bladder Color: Sky Blue with a Wide Opening Hydration Bladder Material: TPU Hydration Bladder Capacity: 2L Product Dimensions: 18.11 x 12.60 x 4.92 in / 460 x 320 x 125 mm Product Weight: 1.10 lbs / 0.50 kg ******************************************************************************************************* *Pakcage Content 1 X Hydration Backpack 1 x 2L Hydration Bladder