High Quality Material. Made from high quality food-safe stainless steel. Cutting blade is under heat treatment and zinc plated, won't rust or break and will last for life time with proper care. Fast Cutting. The blade is very sharp to easily cut open the lid of cans of all sizes in seconds, leaving no sharp edges on can or lid, no metal shavings in your foods. Ergonomic and Safe. You can easily and comfortably hold tight he burnished handles and turn smoothly without hurting your fingers. It allows you to cut open cans safely and efficiently. Easy Operation. Lock it onto cans, hold tight its handles, twirl the knob on the side and turn it smoothly. Then it slices the metal and finally you can lift the lip. Hand washing is recommended: easy to clean by simply hand wash with warm water and soap, rinse and dry promptly, making sure clean and dry after each use,