Water bladder with magnetic self-sealing closure Maximum leak-tightness thanks to patented technology No manual locking for easy filling and cleaning Available in volumes of 1.5L and 2.5L BPA-free and tasteless material (TPU) Scope of delivery: HERMETIC hydration bladder in 1.5L or 2.5L Drinking tube. Climbing, cycling or hiking & a good water supply is essential. Don't want to spend a lot of time preparing? The HERMETIC hydropack fills easily and closes quickly and safely. Thanks to the patented closure technology, easy handling is guaranteed, allowing you to quickly and effortlessly start your sporting activities. The bladder of the hydropack has three rows of wide-opening magnets that seal automatically and are hermetically sealed. The additional SNAP closure on the pocket can be operated with one hand and prevents accidental opening of the bladder in the backpack. In addition, the wide opening allows for quick and easy cleaning of the bag.