... bottles.3) MaterialImported s/s 304 stainless steel, single wall, double wall available, different kind of lids available.4) CertificatesBPA free ... , ISO900:2000 etc.5) Body ConstructionShaped by extrusion, seamless body, polished surface,various colors for body.Customer logo printing(silk screen ... :3-7 days;delivery:20-25days.8) Capacity350-- 1200ml available double wall mug