A versatile and compact twist bottle opener and tightener for most water, milk and twist soda/beer/beverage bottles. This handy tool is very helpful for anyone who doesn’t care much for being stressed by over-tightened bottles. Small (V5) version opens bottle caps 1 to 1.2 inches in diameter. Medium (V2) version opens bottle caps 1 to 1.8 inches in diameter. - Works on most water, beverage and twist crown bottles. - Small (V5) size – opens bottle caps 1 to 1.2 inches in diameter. - Medium (V2) size – opens bottle caps 1 to 1.8 inches in diameter. - Compact, light and strong. Easily fits in a pocket or bag. - Three sets of gripping teeth effectively opens different size bottle caps. - Made in the USA from biodegradable and recyclable PLA.