Stainless Steel Vacuum Insulated Water Bottle | Leak-Proof Double Walled Bottle Capacity of 480 MLIt is crafted and designed from 18 8 food grade stainless steel which is completely resistant to oxidation and corrosion to last long. The bottle has a grip coating from outside which prevents it from slipping from the hand. While the liquid stays hot or cold inside the bottle, the vacuum sealed insulation technology makes sure that the outside of the bottle will stay cool to the touch, and the goldish finish paint gives off a nice attractive sheen.