Holiday refreshments are even more fun for kids with our shatter-resistant tumblers, made from sturdy Tritan and decorated with storybook artwork from the beloved The Elf on the Shelf(R) tale. 3" diameter, 4.5" high Durable tumblers are made from Tritan, a shatter-resistant plastic specially designed to resist stains and scratches. BPA- and phthalate-free. Set of 2. Dishwasher-safe.