Multifunction, Small circle is best for soda bottle and beer bottle; Large Circle is a Jar Opener; Center Section removes safety seal tabs to remove seals; Hook on Top pulls open tabs on cans; Built-In Blade is for slicing open sealed bags. Our silicone jar opener gripper has nonslip gripper and rubber inside grip. The silicone jar opener gripper diameter is 14cm. This jar opener is with ergonomic design, non-slip design, the 8 shape is very easy to grab and can adjustable to match most jars, which makes jar opener open cans or jar effortless, fast and simple.