A self-closing mouthpiece design used in bidons, among other things. It consists of an automatic locking of the mouthpiece so that the water does not spill by itself. It only unlocks when drinking when squeezed.

The silver ions that have been integrated inside the bidon act as an effective protection against the growth of bacteria inside the container. Thanks to this innovative solution, the person using this bidon can keep the taste of their drink unchanged for longer.