This bladder kit has a two-liter bladder volume capacity that is stored horizontally around the waist for a lower center of gravity. It also enables proper cleaning as you can unzip it to clean it inside out. It ships with a standard tube with 45° valve. 2.0 liter (70-ounce) bladder. Horizontal low-gravity bladder. Dishwasher safe. Hanging loops for drying - inside and outside the bladder. Tethered top hanging clip. New 1-meter length tube with better flow. FDA and EU approved: Phthalate, BPA and PVC free. Burst tested. Push-lock hose connector with auto shut-off valve. 1-meter length tube. Ships with 45° bite valve.