The material is made of high-quality stainless steel, sturdy and durable, not easy to rust, smooth surface, durable. Adjustable design The size of the opening can be adjusted at will, easily adapting to different bottles or complicated corks. Save your time and energy when opening. The can opener is 19 cm long and medium in size, making it easy to carry and store. The ergonomic design is perfect for seniors with osteoarthritis in the hands, people with limited hand strength, people with overly long nails, and anyone who wants better, faster, and easier opening of all hermetic containers in the kitchen. With it, you wont have to worry about opening jam jars, jelly jars, and bottles. Easy to use Open the mouth of the bottle opener and put it on the bottle cap, adjust the size to fit the bottle cap, squeeze the handle and twist it to move it in the correct direction, so the bottle cap is easy to open. Wide range of applications The can opener is suitable for most sizes of glass bottles, milk bottles, tea cups, cans, beer bottles and more. It also makes a great gift for mom, dad, grandma and grandpa.