Come and see our amazing products. The water bottle is double-walled and made from high quality food grade 18/8 stainless steel that will not break. The exterior of the vacuum sealed area is dipped in copper for added insulation. Copper reduces the transfer of temperature, adding even more insulation to your bottle.Wide mouth makes it easy to clean, BPA-free lid which means they are very safe. The Spout Lid is perfect for the beach, camping, the Flex Cap fit for office and hiking, while the Straw lid is suitable for cycling and road trip. Pls confirm with us about the packing info, stock color and exact production time before placing your order.