The clear blue waters of the Caribbean are reflected in our cerulean seas beach glass. The Cerulean Seas Original Beach Glass is made of durable BPA free acrylic. Each glass hold over 12 oz of the beverage of your choice. The beach glass is the best way to enjoy your wine, beer, cocktail on the beach or slope side. These acrylic glasses are durable, dishwasher safe, and a reusable alternative to disposable plastic cups.