? Multifunctional use: the hydration pack is small in size and easy to carry, suitable for various outdoor uses search as cycling, hiking, mountaineering, etc. ? clean and hygienic: the bite valve has a cover, which can be closed when not inUse to keep the bite Valve Clean and Ensure that the water will not be polluted.? Leak-Proof: The Screw Cap is used as the Sealing Method for the Opening of the Water Bag, The Sealing Is Tight and Has A Leak Proof Effect, And The Pressure Resistant Sealing Technology is used, the Water Bag will not leakEasily.? Size and Capacity: The drinking bag measures 40.5 cm x 17.5 cm, has a capacity of 2.5l, and a 103cm long trousers, and the hydration bag can match must backpacks.? Premium material: The hydration bag is made of eva, made of bpa-free material, free of harmful ingredient, pressure and abrasion resistant.? Multifunctional use: The hydration pack is small in size and easy to carry, suitable for various outdoor uses such as cycling, hiking, mountaineering, etc. ? Clean and hygienic: The bite valve has a cover, which can be closed when not in use to keep the bite valve clean and ensure that the water will not be polluted. ? Leak-proof: The screw cap is used as the sealing method for the opening of the water bag, the sealing is tight and has a leak-proof effect, and the pressure-resistant sealing technology is used, the water bag will not leak easily. ? Size and capacity: Der Trinkbeutel misst 40,5 cm x 17,5 cm, has a capacity of 2.5l, and a 103cm long hose, and the hydration bag can match most backpacks. ? PREMIUM MATERIAL: The hydration bag is made of EVA, made of BPA-free material, free of harmful ingredients, pressure and abrasion resistant.Mardingtop Trinkblase 2.5LOutdoor Wasserbeutel Militär Qualität Wasserreservoir Ideal für alle Aktivitäten wie Radfahren Wandern Klettern Wasser Rucksack Camping