100% authentic product of Tupperware Brands. BPA-Free Materials - Measurement (approx.)-± 20.6cm(D) x Length with Handle 22.9cm x Height 1 Tier 12.8cm (H);Height 2 Tier 18.0cm(H) - Ridged surface of Steam It to prevents food from sticking. - With handle. Easy to move/carry during food steaming.