Zak Designs Marui Individual 15-Ounce DOF Tumblers, Assorted Brights, Set of 6 Set of 6 Double Old Fashioned tumblers; great for everyday, indoor and outdoor use Made of MS  strong, attractive and long lasting resin Stacks compactly to minimize storage space Top rack dishwasher safe By Zak; playful, unexpected and spirited, colorful, modern, crisp and clean