Come and see our amazing products. DIY patterns as you like: The heat transfer double wall insulated tumbler is designed with polymer coating, which allows you to design patterns through sublimation tools according to your own preference, decorating your tumbler to become personalized and attractive Double-wall vacuum insulation design: Double-wall design, the heat preservation performance can reach about 6-12 hours, and the heat preservation effect is good. Pls confirm with us about the packing info, stock color and exact production time before placing your order.