Slide-action lid features accents that match the rubber grip. BPA free. Double wall insulated. Stainless steel exterior with easy to grip rubber band. The 16 Oz. Tundra Stainless Tumbler features double wall insulation to help keep your coffee warm on morning commutes. A bold, textured rubber grip is both eye-catching and functional to provide extra hold. The slide action on the spill-resistant lid matches the color of the grip which is available in three colors. Stainless steel and double wall insulated, this tumbler is meant for those ready to get down to business.