Introducing our Whistler Monochrome – 20 oz. Double-Wall Stainless Tumbler – A sleek and functional choice for your beverages. The Inner made of 304 stainless steel and outer made of 201 stainless steel. With a double walled insulation it keeps your drinks warm for 6 hours and cold for 12 hours, boasting a capacity of 20oz, The tumbler features a translucent clear plastic lid, equipped with a Snap-On, Spill-Resistant Thumb-Slide Lid and Rubber Gasket, ensures a secure and mess-free experience. The product size is 6.85 Inch x 3.43 Inch x 2.89 Inch and lid size is 0.83 Inch x 3.43 Inch . The rubber finish complemented by a chrome band on the bottom adds a stylish touch to the overall aesthetic.