Now you can enjoy a refreshing margarita poolside, on the porch or at your next barbecue—without worrying about breaking your glass. Thanks to the cleverly designed BPA-free Tritan plastic, each one resists breaking, chipping and scratching. Designed to be both functional and stylish, Tritan plastic is engineered to have lasting clarity and durability, so they still look beautiful after countless washes in the dishwasher.