1.Easily OpenApplicable for Twist-Off Type Caps with size under 3 inches, suitable for weak hands, seniors, the elderly 2.Good grab around CapsDesign with sharp teeth made from supper hard metal to grab hold of lid, it firmly bites the tops which no matter made of tinplate or plastic, such as: water bottle, soda bottle, milk bottle, soft drink bottles 3.Twist off Various Types of LidsDesign in V shape, when open bottle, it automatically grab the lids whether the lids is small or big with size from diameter 0.8 to around 3 inches 4.Pocket-Sized Bottle OpenerDesign with compact, only occupy a little space in cabinets, and hang in kitchen everywhere, even fit into your pocket, travel everywhere with you 5.High Reliability and Durable Twist-off Type Bottle Opener- it is made with high-quality plastic and with metal teeth, do not worry wear away, never slip around lids when twist off Tops.