Lol 15Oz Cup With Straw is BPA free, dishwasher safe, cannot be microwaved, recommended for children ages 3 and up. The accordion straw is flexible and extra durable, with a plug to help prevent loss. The glass is microwave, freezer and dishwasher safe for worry-free convenience and will fit most cup holders. Buddy Sip Cup is spill proof design. It prevents spills and helps keep drink inside the drinking cup. It is easy to grip handles. Marvel's Cup is very sturdy. It is easy to clean. It is strong, impact resistant material that is BPA free, which means these glasses can take a tumble dryer.