These rubber can holders can be used not only as bottle openers, but also as coasters. Made of rubber, environmentally friendly and resistant to twisting These rubber jar grippers not only can be used as botte openner but also can work as round kitchen coasters, anti-scald pads or anything stucked that needs great friction, also great for wrapping hot handle/lids on the stovetop. These rubber pads have a textured grip surface that removes the lid without slipping. Children can open their favorite cookie jars, and seniors can easily open medicine bottles and jars.