Compatible with 3 types of caps. For use with plastic bottles, pouch containers, and beverage cans. Easy to open plastic bottles, pouch containers, beverage cans (pull top) Convenient for those with weak forces, small children, and those who want to protect claws. Comes with a strap hole for convenient portability. Material: ABS resin; Heat resistant temperature: 154°F (70°C); How to use: When using with a plastic bottle or pouch container, set the ring part on the cap with the surface facing up, and turn counterclockwise. (It is easy to open by pressing the cap on the ring of the main unit slightly and turning it. When opening, please press the tip down and turn it. Depending on the type of plastic bottles and pouch containers, some items cannot be used. When using for a beverage can (pull top), the recess on the back is inserted under the pull top and can be opened by raising the main unit. Precautions for Use: Do not use for anything other than the intended purpose. Do not place near fire. If it gets dirty, please wash it with a mild detergent. Please do not rub with hard objects such as pollen, cleanser, scrubber, etc. It will scratch and stain easily. Please do not boil it, chemical solution, disinfect in the microwave or use in a dishwasher or dryer.