The Coravin Screw Cap accessory provides wine lovers with the ability to pour and enjoy their favorite screw cap wines, expanding the possibilities of the Coravin Wine Preservation Opener by allowing people to pour and protect wines closed under screw cap for up to three months. This pack contains six Screw Caps in the Standard size, which is compatible with over 95% of screw cap bottles, with a light gray or white ring on top. Injection molded plastic, silicone, and polyethylene. Approx. 1.32"Dia. x 1.18"T. Imported. undefined