... stainless steel, single wall, double wall available, different kind of lids available.4) CertificatesBPA free, FDA certificate, ASTM, ... by extrusion, seamless body, polished surface,various colors for body.Customer logo printing(silk screen/heat transfer,engraving, ... Capacity350-- 1200ml available/Product view:Factory View: high quality 12oz stainless steel baby sippi cup with Toxin-free, FDA approved