With a decorative design and thick base, these Lucent Cheltenham tumblers offer a blend of style and durability. The tumblers are made from high-quality polycarbonate, which has the appearance of glass but none of the fragility. This material is also virtually unbreakable, making it perfect for both indoor and outdoor settings. For added convenience, these Cheltenham tumblers are glasswasher safe, allowing for quick and easy clean up after service.