Cutting Edge Stainless Steel Vacuum Bullet Design Flask Bottle with Bag/Cover Features Flip Lid Insulated Flask Thermos 1. This reusable Double wall steel water bottle is made from 304 grade stainless steel both inside and out and is leak proof durable unbreakable rust proof odour free and 100% food grade2. Pre-condition bottle with hot water if using for hot beverage and cold water if using for cold3. It is simple to use and easy to clean with inner and outer steel that is convenient to wash with a mild dish wash liquid and a bottle brush4. Ideal for personal use and gifting it is easy to carry anywhere you go office home picnics outdoor camping and more5. Material type: Stainless Steel; No. of pieces: 1; Capacity: 750ml; Colour: Silver