OATEY PVC Shower Pan Liner is an economical, flexible liner designed for use in tile showers and other concealed waterproofing applications. It's made of 40 mil thick, flexible PVC sheet and marked in 6 in. increments for easy of measuring. OATEY products have earned the trust of plumbing professionals for over 100-years.. Color Family: Gray. Color/Finish: Gray. Drain Location: Center. Features: No Additional Features. Included: No Additional Items Included. Installation Type: Square. Material: PVC. Number of Finished Sides: 4. Pack Size: 1. Product Weight (lb.): 1.5 lb. Certifications and Listings: IAPMO Listed. Product Length (in.): 6 in. Product Width (in.): 5 in. Threshold Height (in.): 13.5. Drain Location: Center. Threshold Height (in.): 13.5. Installation Type: Square. Material: PVC