Our coffee tumbler is made of high quality 18/8 304 stainless steel. Internal electropolishing, not rust, non-toxic, tasteless. The insulated tumbler is double-layer vacuum insulation technology and a powder-coated exterior, making it sweat-proof and condensation-free. Vacuum insulated technology maintains the temperature of the drinks for a long time, keeping coffee hot 6H, keeping cold drinks 12H. The vacuum travel tumbler has a wide mouth, which is very convenient to clean, and can also support dishwasher cleaning. Carefully designed travel tumbler fits most car cup holders, large capacity coffee mug is perfect for home, office, parties, and travel.
