With how many insulated drink options are out there, it pays to be different. Rivers Drinkware took a step back when developing their Wallmug Shade Insulated Stainless Steel Tumbler. With a larger drink hole in the Easy-Sip lid, you get more aroma and therefore a richer flavor with each sip.  The textured coating on a double-wall stainless steel construction makes for durability and easy cleaning, and the insulation will keep beverages at 107°F for up to 6 hours.