Tired of trying to tie off giant balloons without losing all the air? This is a special one-way valve designed for inflating large balloons (like 36-inch jumbo balloons or longneck balloons). You attach it to the balloon's neck, inflate it using a pump or helium tank, and the valve automatically seals shut – keeping the air or helium locked inside tightly. It makes the whole process so much easier and less wasteful. The product is described in German (Marke: Markenlos, Thema: Longneck) and the EAN is 4270001926135. A must-have tool for party planners, event decorators, or anyone who regularly works with large balloons.