It is made of high-quality plastic, with soft texture and textured surface, which gives them friction, durability and flexibility. The size of the jar opener gripper pad is appropriate, which is convenient to grasp and open most of the size of jars and bottles. It can also serve as heat insulation coasters, anti-scalding mats or wraps for hot lid and hot handle to avoid scalding your hands. Designed ergonomic and easy to use,fits most jar/bottle lid or cap.The openers are extremely durable under any circumstances in your kitchen, easy for storage. The inner striped tooth and triangle opening design makes this bottle opener make your life so much easier.