Hop over to Amazon and get a deal on MaxBase 40 oz Stainless Steel Tumbler w/ Handle & Straw Lid. Maxbase 304 stainless steel tumbler features double-wall insulation technology that keeps drinks cold for up to 34 hours and hot for up to 12 hours. With its excellent heat retention properties, you can enjoy your … Continue reading MaxBase 40 oz Stainless Steel Tumbler w/ Handle & Straw Lid $19.99 (Reg. $40) – Various Colors