PARTY BALLOON CUP - Colors Base- 6 UN Unbreakable TRITAN BPA Free Appearance of crystal glass This product has been designed for use in normal, not extreme, conditions. Not suitable for drinks with a high alcoholic content or very hot drinks. Not suitable for microwaves. Suitable for dishwashers, but in the upper tray only. To extend the life of the product, avoid using abrasive cleaners.