This Hydration Bag is an essential item for Hikers, Campers, Backpackers, Bushwalkers, Bikers & Fishing Lovers. Compatible with all Brands of Hydration Pack and is an excellent source of no fuss Hydration whilst on the move. -Made From High Quality, Durable Polyurethane Material -Soft Foldable design for Easy Fitting with any Backpack/Shoulder Bag -Soft Silicone Mouth Piece -Push Shut/Pull Open Drinking Valve -Detachable Tube for easy cleaning -Water Storage Temperature -40 to 90 Degree -Approximate Bag Dimensions when empty 380x170mm -Approximate Tube Length 100cm