24 Hours Long-Lasting Moisturizing This wide mouth water bottle features double-walled vacuum insulation, can keep your beverages cold for 24 hours and hot for 12 hours with a fresh taste. It is a necessity in our daily life. Suitable for outdoor activities such as gym, camping, beach, skiing, and so on. 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. And the plastic lid is food grade materail, no side effect, safty and healthy.