BPA-free,eco-friendly ,doesn't retain or leach flavors,stainless steel ... wall available ,different kind of lids available. 2.Certificate:BPA free,FDA certificate,LMBG certificate,US California Proposition 65(new and strict standard),Rohs ... also was certified to passed the FDA,Propo 65,Bpa Free,Lead Test etc. Daily production:50KPcs. Markets and Clients Klean ...