Made Of ABS. Reusable. Reduce Breakage Of Glasses By Replacing With These Sturdy Cups. Wash And Reuse. Can Be Used As Stylish Stemware For Wine, Martinis And Other Cocktails. Perfect For Large Celebrations, Corporate Events, Bachelorette Or Bachelor Parties, Or Just A Casual Poolside Drink. Guests Can Take With Them As An Event Souvenir . Meets FDA Requirements. BPA Free. Hand Wash Recommended.