Enjoy everything about this thermal stainless steel tumbler with double layer and copper insulation that keeps cold drinks cold for 4 hours and hot for 2. Features a Barbados design by Sue Trew. Includes leak-proof lid. Lid is dishwasher safe. Size: 4.5"h x 3.25"w Volume: 355ml/12oz. APOLOGIES, BUT THE POST OFFICE IS NO LONGER ALLOWING THESE TUMBLERS TO TRAVEL BY POST.