Why Choose Mrs. chou's Stainless Steel Baby Bowl with Silicone Suction Base? Made from 304 Stainless Steel: The high-quality 304 stainless steel bowl offers superiorresistance to rust and corrosion, providing a long-lasting product. Free from BPA, PVc, and Phthalates: Parents can have peace of mind knowing that thisbowl does not contain harmful chemicals like BPA, PVc, and phthalates. Patented One-Piece Molding: The silicone suction base features a patented one-piecemolding design, which enhances its durability and ensures there are no joints or seamswhere bacteria could hide.