Sip on your favorite beverage in style with the 20oz Stainless Steel/Polypropylene Cork Base Tumbler. The double wall construction keeps liquids hot or cold for longer and the cork base helps protect surfaces from heat, condensation and scratches. The screw on lid has a slide opening to prevent any spills. This product is BPA Free and hand wash only, do not microwave. Available in Black, Blue, Titanium Grey, Silver and White. Take your favorite beverage on the go in this timeless reusable tumbler.