Come and see our amazing products. This coffee mugs are with double walled vacuum insulation technology, keeping your favorite beverages hot for 3+ hours and cold for 9+ hours. Sweat proof, no condensation.The insulated coffee mug is made from premium 304 food Grade stainless steel, never rust, lead free, easy wash and unbreakable. Each cup is powder coated for a durable finish, no scratching, peeling or fading. Pls confirm with us about the packing info, stock status and exact production time before placing your orders.