Hop over to Amazon and get a deal on this Insulated Stainless Steel Coffee Tumbler with Lid and Straw, 20 Oz. The stainless steel-insulated tumbler is made of food-grade 18/8 metal and is durable, rust- and leak-proof, and eco-friendly. Drinks stay ice-cold for 5–6 hours or hot for 2–3 hours. You may want to use … Continue reading Insulated Stainless Steel Coffee Tumbler with Lid and Straw, 20 Oz $8.92 (Reg. $15)