Specification AgeRangeDescription : Adult BackpackDesign : daypack_backpack Brand : XISAOK BulletPoint1 : Water bag tube cover, easy installation. BulletPoint10 : Oversized zippered hipbelt pockets with enough space to fit cell phones and trail essentials BulletPoint2 : Fits over bare drink tube up to 10mm diameter. BulletPoint3 : In winter and other low-temperature environment, the water in the water pipe will normally be frozen, and the heat insulation cover can solve the problem effectively. BulletPoint4 : There is also the role of protecting the water pipe. BulletPoint5 : For outdoor camping, cycling , etc. BulletPoint6 : Front quick-access pocket with padded soft-touch sleeve to protect devices BulletPoint7 : Front stretch-mesh pocket for additional on-the-go storage BulletPoint8 : Dual side compression with webbing keepers to prevent dangling straps BulletPoint9 : Side stretch-mesh pockets Capacity : 16 liters Color : Dark Gray Department : unisex-adult ExternallyAssignedProductIdentifier : 7404920016418 ExternallyAssignedProductIdentifier1 : 190207084603 ExternallyAssignedProductIdentifier2 : 0190207084603 ExternallyAssignedProductIdentifier3 : 00011319146402 GpsrSafetyAttestation : 1 ImportDesignation : Imported IncludedComponents1 : UD Adventure Vesta IncludedComponents2 : 1 HydraPak 500 ml bottle ItemDisplayDimensions_Height : 6 inches ItemDisplayDimensions_Length : 21 inches ItemDisplayDimensions_Width : 13 inches ItemName : XISAOK Hydration Bladder Tube Sleeve Running Cycling Water Bag Tube Thermal Hose Cover ItemPackageDimensions_Height : 2.4 inches ItemPackageDimensions_Length : 6.7 inches ItemPackageDimensions_Width : 5.1 inches ItemPackageQuantity : 1 ItemShape : Rectangular or Boxy ItemTypeKeyword : sports-hydration-packs LiningDescription : Nylon Manufacturer : XISAOK Material : EVA foam + nylon ModelName : WHB15L ModelNumber : 143369-6399 NumberOfBoxes : 1 NumberOfCompartments : 3 NumberOfItems : 8 NumberOfPockets : 5 PackageLevel : unit PartNumber : XISAOK Pattern : solid PocketDescription : Utility Pocket ProductDescription : 100% brand new and high quality. Water bag tube cover, easy installation. Fits over bare drink tube up to 10mm diameter. In winter and other low-temperature environment, the water in the water pipe will normally be frozen, and the heat insulation cover can solve the problem effectively. There is also the role of protecting the water pipe. For outdoor camping, cycling , etc.