Portable Size: this multifunctional bottle opener is small and , you can take it with you with your oral liquid bottle and use it anytime, anywhere Reliable and Sturdy Material: our vial cap openers are made of quality stainless steel, sturdy, polished with smooth surfaces, not prone to rusting, providing you with a lengthy service Sophisticated Design: this small flip top remover is easy to use, time saving and labor saving design mainly for those small bottle mouths that are difficult to open with other tools Multiple Uses: this bottle seal opener can be applied for vials with diameters ranging from 10 to 20 mm; Both its head and bottom can be applied to open vials; The head can be applied for large diameter vials and the bottom can be applied for small diameter vials Detailed Dimension Information: each bottle opener is about 11 cm/ 4.33 inches in length; It is compact and takes up little storage space, easier to hold during operation, and small enough to carry around or stow in a bag or drawer