Manufactured from BPA-free, Tristan crystal, these elegantly faceted APS LINEA tumblers boast impressive durability. Virtually unbreakable, they excel in break-sensitive areas such as pools, beaches and spas, and are also ideal for clubs and bars. Their perfect stackability means they can be stored and transported in a space-saving manner. Weighing just 75g with a 300ml capacity, these LINEA tumblers are not only lightweight but also glasswasher safe.