Easiest lid opener in the world - The original! Patented and award-winning lid opener that is suitable for all conventional preserving jars. Place the JarKey on the lid of the preserving jar, lift slightly, the vacuum escapes and now the lid can be easily turned on. JarKey is made of high-quality ABS plastic in an elegant design. JarKey has no sharp corners or edges, no moving parts and is extremely durable. Dishwasher safe. The unique thing about the JarKey is the special three-point principle, which allows the vacuum to escape by gently lifting the lid. After that, the lid can be easily turned on.