Vevor 48''x48'' Shower Kit With Shower Tray & Curb With Central Drain Kit PvcCentral Drain TrayComplete Drainage2 Cuttable CurbsHDPE MembraneSquare-Tooth TrowelEase of InstallationSize of the Membrane: 121.3 sq ft/ 11.3 m,Material of the Flange: PVC,Size of the Shower Tray (W x L): 48 in x 48 in/ 1219.2 mm x 1219.2 mm,Size of the Grate (W x L): 4 in x 4 in/ 10 cm x 10 cm,Model: VV-LYDZ-PVC4848Z,Material of the Grate: 304 Stainless Steel,Size of the Shower Curb (L x W x H): 48 in 4.5 in 6 in/ 1219.2 mm 114.3 mm 152.4 mm