OKTETT is a new range of durable tumblers for indoor or outdoor use. The red wine tumbler is perfect for a cozy time at the pool, for outdoor serving and for families with children. Polycarbonate is a durable material that can't break and is more biodegradable than other plastics. Other features and benefits include glass clarity, dishwasher/microwave safety, and high durability. These glasses are great for Children, outdoor serving and pool life. Also perfect for serving ice cream and soups.