Single Wall Tumbler in Recycled Stainless Steel Metal (90% Recycled Stainless Steel Metal & 10% Stainless Steel) with a Detachable Grip in Acacia Wood, Stainless Steel Metal Straw. Straw Socket & Direct Drink Opening Leak-Free Lid. Capacity: 260 Ml. as This is a Single Walled Mug, Heat Transfer Can Still Occur. Minimum Quantities Apply.