Single Wall Stainless Steel Water bottle Capacity -750ML, Inner and Outer side of Bottle is Made from High Grade Stainless Steel Which is Rust Free and 100% Food Grade. Used for: Basically it is used to keep in the Freezer/Refrigerator but apart from that you can use it in Office, Home, Kitchen, School, Gym, Trekking, and in All kinds of Sports Activities. Insulation Type: Single Wall; Temperature Retention, :No (Doesn’t Keep Liquid Hot and Cold). BPA-Free & Toxin Free -Easy to Clean -Use Mild Soap for cleaning the Bottle and advised to be kept open when not in use to avoid odor. Perfect Size Not too big, Not too small , Easy to carry , Condensation free and Leak Proof Lid.