Reusable Classic Party Cup Tumbler - Double Wall -16oz. Capacity - Red - Set of 6 Don't let the looks of these fool you, you're not going to want to throw these away after the party. Same look as the iconic disposable party cup design but with a sturdy reusable feel that will last for many parties to come. Double Wall Design provides rigid durability and helps keep your cold drink while minimizing condensation "sweat" on the outside of the cup. BPA Free Plastic Construction of Double Wall Cup Body. Hand wash. Not for microwave or freeezer use.