Dad on Blue Flannel 16 Oz Signature Tumblers with Lid Dad 16 oz. thermal insulated tumbler; Reduces sweating. Dishwasher safe Comes with matching lid. Double-wall construction creates thermal barrier that insulates beverages Unbreakable clear polycarbonate - same material used in bullet-proof glass - holds up to daily use Made in USA with Signature Tumbler's lifetime replacement warranty.