The 20oz Insulated Honey Stinger Tumbler is the ultimate drinking companion. With 18/8 stainless steel copper construction, double-wall vacuum insulation and a sweat-free, virtually indestructible design, it is perfect for your piping hot morning coffee, ice cold brew and everything in between. It will keep liquid hot for up to 8 hours and liquid cold for 16 hours, and the clear lid allows you to check your drink status in a flash. Fill it up! It fits in hand and is easy to bring along wherever your adventures take you. BPA-free and hand wash recommended.