Come and see our amazing products. Double wall vacuum insulated water bottle. Made of 304 Stainless Steel interior and 201 Stainless Steel .Vacuum insulation helps keep your beverages colder longer than non-vacuum insulated bottles. Designed for use with cool beverages only. Perfect bottle for your go-to adult beverage. Hand-wash only. Do not microwave. Do not place in freezer. Pls confirm with us about the packing info, stock color and exact production time before placing your order.