Go play with this travel mug! 20 oz. Stainless Steel Travel Mug is made of stainless steel with clear plastic lid, preventing liquid from leaking out. Its double wall vacuum insulated design can keep your drinks hot for up to 4 hours and cold for up to 6 hours. Laser engraving is offered for front side only. Imprint drinkware only can be handwash. Rush 3 days available with rush charge upon request.