Come and see our amazing products. The Tumbler is made with stainless steel interior and exterior, each tumbler features a 40 ounce capacity. Lid with Straw. It has double walled vacuum insulation of hot or cold liquid You may use it at office, outdoor activities and sports. And you can customize logo or brand on it to advertise. Pls confirm with us about the packing info, stock color and exact production time before placing your order.