Come and see our amazing products. This 27 1/2 oz vacuum insulated water bottle is made of high quality food grade 304 stainless steel. Cold water gets warm and hot coffee cools off. Don't settle for a boring plastic water bottle that doesn't fix either problem. Two premium food grade 18/8 stainless steel walls combined with vacuum insulation ensures that your cold beverages remain cold for 24 hours and your hot beverages remain hot up to six hours. Pls confirm with us about the packing info, stock color and exact production time before placing your order.