Unbreakable Indoor / Outdoor Wine Tumblers, Shatterproof and Reusable. By Lily's Home - Set of 2 Made from food-safe, Tritan plastic, BPA-free and FDA-approved material Shatter-resistant, reusable, and dishwasher safe Holds 13 oz. and perfect for pool, patio, inside and outside Styled to reflect the wines color, our Indoor/Outdoor glasses are designed to enhance its aroma too Dishwasher safe (but note, they must be put on the top rack only and are not suitable for a heated cycle)