18/8 food grade stainless steel body, BPA free, healthier than plastic cup. The insulated tumbler never sweat due to the Vacuum insulated design. Powder coating on the outside fits more comfortably in your hand, looks good, anti-slip.Enjoy Beverage Cold or Hot. Under normal temperature, it can keep a tumbler of ice cake for 24h until the ice totally melt, or hot coffee warm for 6h.Vacuum travel tumbler great for outdoor adventure, road trips, sports event, also the perfect travel cup to bring coffee from home to work or fill a tumbler of drink before you go to bed to drink through the night.Custom logo is available.Please call us for more info!