The BOSS 32 Oz. tumbler is a crowd pleaser for concerts, sporting events, or even around the house activities. It has an extra wide mouth for easy filing and pouring, and a slim design to fit in most cup holders. Made from 18/8 food grade stainless steel with no liner. Vacuum insulated for incredible temperature retention; keeps beverages hot for up to 6 hours and cold for up to 24 hours. Also features an acrylic slide top lid. Additional imprint area: 10" wrap