Minimal Stainless Steel Insulated Wine Bottles were made of food grade 18/8 stainless steel with double wall construction and copper thermal technologies. Unique slim body with light weight design. Fits perfectly in hand. Available in classic, white and gunmetal. Made of food grade stainless steel, BPA-free, phthalate-free Double wall vacuum insulation and copper thermal technology for maximum temperature retention Keeps the coldest drinks icy cold and hot drinks piping hot for hours A sustainable metal water bottle with a sleek design, for a better planet Size: 20 oz