Vacuum Insulation Tumbler: The stainless steel tumbler is vacuum double insulated. The double-walled insulation design keep your drinks hot for three hours and cold for nine hours. the outside stays cool to touch! providing a more enjoyable drinking experience. | Stainless Steel Tumbler: The tumbler is made of food-grade 18/8 stainless steel, liner of tumbler will not produce any taste and will not rust, dishwasher safe.The structure of the water tumbler body is sturdy, could be used for a long period of time. | Tumbler With BPA-FREE Lid: The lid is made of AS, chemical-free.it comes with a removable rubber gasket. safety and ECO-friendly. A drink hole on the lid, straw friendly and easy clean. Through durable clear lid, you can easily see how much of your drink have left. | Colored Powder Coated 20oz Tumbler: 20 oz travel tumbler is lightweight and easy to carry, the surface of it is matte powder coating, There are multiple colors to choose freely. The tough Duration coating on the colored mugs won’t crack, peel or fade.Sweat proof design keeps your fingers dry and UN-frostbit. | 100% Customer Satisfaction: All HASLE OUTFITTERS come with a LIFETIME GUARANTEE!. Coffee mug is suitable for home, travel, office, lounge, bar, restaurant and many other occasions. It is also a perfect gift for Father's Day, Mother's Day, Birthday and Christmas.