Features: * Designed as an economical, flexible pan liner for use in tile shower and other concealed water-proofing applications * Liner is marked every 6 in. to allow for easy measuring of material * An effective water-barrier in tile shower or other concealed water-proofing applications * IAPMO Listed * Meets ASTM D4551 * Without Dam corners * Includes instructions * 40 mil * Gray What"s In The Box: * Oatey 41630 Shower Pan Liner Kit, 5-Ft. X 6-Ft.