Our 20 oz. Whistler Stainless Steel Tumbler is constructed with double-walled vacuum insulation to keep hot drinks hot, and cold drinks cold. It has a clear plastic snap-on, spill-resistant lid with a slide-top sipping area. Available in your choice of color and finish - powder coated in black or white, or smooth silver stainless steel - all of these colors provide an excellent showcase for your brand. CA Prop 65 compliant. BPA free. Meets FDA requirements. Customize with ColorJet, our full-color inkjet imprint technology with premium gloss UV clearcoat.