SAFE MATERIAL: Our water bladder is made of a high quality and flexible, antibacterial material. This means that the hydration bladder is tasteless, odorless and BPA-free. For carefree hiking, running, biking, camping or other outdoor adventures. FUNCTIONAL DESIGN: With a size of L 14.2 '' x W 6.8 '' and a filled weight of only 2.20 kg, the hydration system is the ideal outdoor companion. The 100 cm long and removable hose, the auto-lock system and the soft mouthpiece guarantee easy and comfortable use. EXTRA LARGE OPENING: Thanks to the extra large screw cap, the hydration bladder can be filled with water with ease. Perfect for filling with ice cubes or various sports drinks. This makes cleaning and drying super easy. EASY TO CLEAN: In addition to the large opening, the removable hose also enables simple and uncomplicated cleaning - simply rinse, empty and turn over. SUITABLE FOR EVERY BACKPACK: the hydration system can be attached to any backpack and is therefore the ideal partner for outdoor & sport and, with its two liters content, ensures that you are always hydrated.