Northwind 6 Piece Beverage Glass Set Make sure everyone has a glass with the 6 piece Northwind Beverage Glass set. These glasses are constructed of MS, a top quality, shock-proof and unbreakable material that is also scratch-resistant. Forget about the risk of broken glass and enjoy your time out on the water. The Northwind series of dishware features blue and white tones with an elegant compass rose design. These nautical glasses are sure to look great on any vessel. Features: Includes 6 glasses Northwind series Shock-proof and scratch-resistant construction Classic blue and white tones with compass rose design BPA-free Northwind Beverage 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.