Made Of Shatter-Proof ABS. Reusable. Can Be Stacked Together For Easy Storage. Perfect for Icing Drinks, Festive Punch, Appetizers And More!. Solid Double Wall Design Keeps Your Drinks Cold. Can Also Be Used For Serving Snacks And Apps Or As A Centerpiece For Entertaining Guests. Wash And Reuse. Perfect For Large Celebrations, Corporate Events, Bachelorette Or Bachelor Parties, Or Just A Casual Poolside Drink. Designed For Both indoor And Outdoor Use. Guests Can Take With Them As An Event Souvenir. Meets FDA Requirements. BPA Free. Hand Wash Recommended.