The Tervis Tumbler Stainless Steel Tumbler with Hammer Lid transports your favorite beverage through any adventure with fun, bold graphics. This Tervis insulated tumbler is made of copper-lined stainless steel with double-wall vacuum insulation to keep drinks hot up to 8 hours and cold for 24 hours. The tight-fitting, leak-resistant hammer lid opens and closes for drinking and is top-rack dishwasher safe. The Tervis Tumbler Stainless Steel Tumbler with Hammer Lid is great for your drive to work or a day on the water. Do not put tumbler in dishwasher, freezer, or microwave. Hand wash with soap (no bleach or chlorine) and water using a scratch-free sponge. Manufacturers limited 5-year guarantee.Designed and decorated inUSAwith some imported parts. Size: 20 oz. Available: Salt Life Skull, Colorful Camper, Mountains and Bears Scene, Rescue Is My Favorite Breed, Jeep Brand Colossal, Tie-Dye Swirl. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Travel Mugs.