Serve it on the rocks with class at an affordability you will love with these Extra Heavy Weight 'Rocks' Tumblers, 9-oz tumblers made in top quality hard plastic that is both disposable and reusable. These are designed to perfectly suit the 'on the rocks' type of drinks, so get ready to enjoy one when you add them to your party supplies! From the Resposables collection. (20 per pack)