Currituck Standard Mouth Stainless Steel Bottles feature double-wall, copper-lined vacuum insulation that retains hot or cold temperatures for hours on end. They are constructed of durable, kitchen grade 18/8 stainless steel that won’t impart a metal taste in your beverages. A BPA-free lid with sealing gasket further helps prevent temperature loss, and features a loop on the top for straps or carabiners. Gray silicone wrap provides a comfortable, secure grip. 20oz.