Superior Stainless Steel Travel Tumbler. Double wall insulated, 18/8 kitchen grade stainless steel, keeps temperature longer. Keeps cold 24 hours; hot 8 hours. Drink thru, slide close clear lid. Many powdered coated colors to choose from. LARGE engraving area to promote your brand! Hand wash only. Dent, stain and rust resistant. Dimensions: Height: 8.25"; Width: 3.75"