Tumbler: A 20 oz. and 30 oz.  stainless steel, BPA free Tumbler. Double wall vacuum insulated to protect your hands from hot and cold liquids inside the tumbler. Easy to use slider tap for drinking. Keep drinks cold and hot for 6-12hours.  Laser engraving for permanent non-peeling design. Colors available: Dark Green, Navy. Size: 3.3"W x 7"H