Features: Craft from water proof nylons, this backpack features multiple pockets for storage and adjusted shoulder belt for a comfortable fit. Experience the convenience in outdoor hydrations with our 3.0L water bladder backpack, designs to keep you refreshing and hydrated outdoor. The backpack is perfect for outdoor activity. With its water proof designs and large capacity, it keep your belongings dry during outdoor sports. Great for outdoor sport enthusiasts such as cyclists, hiking person, and trekkers who prioritize convenience and efficiency during their adventure. Whether you're cycling, hiking up mountain, or camping, our backpack is your intimate partner for any outdoor activity. Specifications: Materials: Water Proof Nylons Color Optional: 11 Color are Available as Shown in the Picture. Package Weight: approx.450.0g Size: approx.46x17x7cm/18.11x6.69x2.75in Package Includes: 1Pc Hydrations Backpack Pack note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!