baby bottle bpa free 1.various stoppers,18/0,18/8 ss 2.BPA free 3.eco-friendly 4.Leaking-proof design 500ml stainless steel baby bottle bpa free why do you choose FuNan Sheng?High quality material , enough thicknessAdvanced technology , fashionable designGood seal ability , Waterproof ,Elegant style , suit to the family and office placesFACTORY 500ml stainless steel cartoon baby bottle bpa free