Description Quality Living with 304 stainless steel Our straw water bottle is made from high-quality 304 food-grade stainless steel, rust-proof, BPA-free, lead-free, and easy to wash. This water flask is also fully resistant to oxidation, corrosion, and odor resistant, so it will never leave a metal taste or rust. We only adopt BPA-free, leadfree and recyclable materials, giving you and your family a healthier and safer water drinking way. Safety materials & rest assured to use Bottom design uses special soft nonskid rubber material, keeping containing most of the table top and can't move.