Come and see our amazing products. Insulating layer keeps drinks cold for 24 hours and hot for 12 hours. The flexible cap is leak-proof when closed, so you don't have to worry about it when transporting. Flexible band is easy to transport and comfortable to carry. Made of 18/8 professional grade stainless steel to ensure durability, pure taste and no flavor transfer. Pls confirm with us about the packing info, stock color and exact production time before placing your order.