Yukon Outfitter’sNEWESTTumbler has quickly become a crowd favorite, known for its high performance and durability. Made of high grade 18/8 stainless steel and double wall vacuum insulated, they will keep your favorite beverage hot or cold for hours.Product Features:Double Wall Vacuum Insulated – provides maximum temperature retention of both hot and cold beverages. Up to 6 hours hot and 24 hours cold.High-Grade 18/8 (304) Stainless Steel – highly durable and corrosion-resistant.Copper Plate InsulationThree Position Slider: Cover, Sip, ChugReusable StrawErgonomic HandleDuraGrip Powder Coat Finish – our proprietary finish is both ultra-durable and provides a textured surface foryou to grip.Sweat Free ExteriorEnvironmental Friendly Recycled Content BPA FreeDesigned to fit most cup holdersNon slip baseSpecifications:Dimensions: 10.35″H x 3.85″ diameterCapacity: 40oz / 1183mlWeight: 540 ouncesWARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov