This 10 ounce all-purpose tumbler has the look and feel of glass but is made of shatter-proof acrylic the finest food grade material for drinking pleasure. Designed team patch protected inside glass. This tumbler is designed for everyday use around home and office, this tumbler is also perfect for parties and celebrations and make fabulous gifts for fans of all ages! This 10 ounce acrylic tumbler is a double-wall insulated tumbler made from the finest quality acrylic. Dishwasher safe. BPA free, lead free, safe to use.