These beautiful 20 oz. all-purpose tumblers have the look and feel of glass but are made of shatter-proof acrylic; the finest food grade material for drinking pleasure. Designed for everyday use around home and office, these tumblers are also perfect for parties and celebrations and make fabulous gifts for fans of all ages! Dimensions: Dia 3.75", Height 6.5" Capacity: 20 oz. Dishwasher safe. BPA Free, Lead Free, Safe to use.