Built with high-quality Kerdi waterproofing material, this shower tray is designed for easy use with Kerdi linear drains. This Kerdi tray can be cut to fit, and is designed for curbless showers. Perimeter heights are optimized for off-center drains. WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.