✅SPECIFICATION 1. Material: Food grade 304 stainless steel 2. Size: 10.8 x 2.8inch/ 27.5 x 7.2cm 3. Capacity: 20 oz/ 600ml 4. 1 x Sport Water Bottle ✅18/8 FOOD GRADE STAINLESS STEEL The Iron Flask is made of 18/8 Stainless steel that is 100% BPA free and non-toxic. It will never leave a metal taste or rust. ✅DOUBLE WALL VACUUM INSULATED Our reusable vacuum insulated water bottles work great as a thermos, keeping your drinks cold up to 24h and hot up to 12h. Double wall construction is specially designed to prevent condensation from forming on the outside of the bottle. ✅MULTIPURPOSE SPORT WATER BOTTLE The design of our water bottle makes it perfect to take anywhere, whether to your office, school, gym, yoga class, or while you are out for any outdoor activities such as biking, running, hiking, backpacking, or camping. ✅MONEY BACK GUARANTEE We devote to provide the best customer service and bring the best shopping experience to every our customer. If you are not satisfied with our product, contact us and we can offer a full refund.