The CorkPops Legacy Wine Bottle Opener system uses a low-pressure inert gas cartridge to remove the cork from a bottle of wine. This opener will not affect the taste of the wine or harm the environment. ;Simply insert the needle straight down into the cork. Push down on the cartridge and lift the opener as the cork gently pops out.This unique single step motion is effortless and is designed to be used on all traditional wine bottles. The CorkPops Legacy Wine Opener incorporates a foil removal system and a user-friendly rubberized finish. This finish makes it easy to push the needle down into the cork. The Legacy is packaged with one cartridge, which will open 60-80 bottles of wine, in a plastic case for convenient storage of the opener between uses. Replacement cartridges are available in sets of two.