Make inflatable balloons knots easily and effortlessly… The RingBalloon invention will make many services. This reusable device will allow you to make a balloon knot in record time. It only takes a second to learn how to use it. Ring Balloon is ergonomic and sturdy. It is made of biocompatible material. With this tool: nothing better to make decorations and balloon release at parties, weddings or other snack for children.