Manufactured by MiiR, this single wall, narrow mouth water bottle holds up to 27oz of liquid. Bottle is made of stainless steel, lid is made of plastic. BPA free with a powder coat finish. Comes with a Lifetime Warranty.Wash before first use. Hand wash recommended. Lid top rack dishwasher safe. Do not freeze, do not microwave, do not bleach, do not overfill. Not suitable for hot or carbonated liquids.