Regata 12 Piece Stackable Glasses Make sure everyone has a glass with the 12 piece Regata Stackable Glass set. These glasses are constructed of MS, a top quality, shock-proof and unbreakable material that is also scratch-resistant. These glasses are stackable, making stowing easy and convenient. The Regata series of tableware feature a colorful nautical flag design that is both casual and elegant – a great addition to any vessel! Features: Includes 12 glasses Regata series Shock-proof and scratch-resistant construction Colorful nautical flag design Regata Stackable Glasses were designed for use in normal, not extreme, conditions. These glasses are not suitable for drinks with high alcohol content or very hot drinks. Not suitable for microwaves. These glasses are suitable for dishwashers, but in the upper tray only. To extend the life of these glasses, avoid using abrasive cleaners.