Premium Shower Tray: This shower curb kit includes an EPS high-pressure foam board tray sized 48 x 48 in. A centered 4 in drain opening ensures smooth water flow. The gray waterproof membrane with textured allows easy mortar application Drain Accessories: This shower curb kit includes a PVC flange & drain assist for 2 in pipes for smooth drainage. A gravity auto-sealing grate helps reduce clogging. Two XPS foam shower curbs, each 48 x 4.5 x 6 in, are included and easy to cut to length Water Barrier Layer: Includes two rolls of HDPE water-blocking membrane, small roll 5 in x 32.8 ft, large roll 3.3 ft x 32.8 ft, choose the roll for walls or floors, includes four inside corners & two outside corners for quicker installation Stainless Steel Trowel: This shower base kit includes a square-notch stainless steel trowel for mortar application, strong & not easy to bend, square-notch design leaves ridges in the mortar to improve bonding between the membrane & the wall or floor Easy Installation: This shower tray kit offers a simple setup and includes a complete water barrier with shower tray, flange, stainless steel drain pipe, membrane, and shower curbs. Use unmodified thin-set mortar to create a low-upkeep shower system