Tresham 60 in. x 36 in. Single Threshold Left-Hand Drain Shower Base with Integral Right-Hand Seat in WhiteWith crisp lines and an elegant border, this Tresham shower base brings classic American design to the bathroom. Designed for comfort, this base offers a built in seat and low threshold for easy access. Low threshold design for easy entry and exit Single threshold for three wall installation Durable plastic construction Left drain Integral 18 inch undercut seat at right Coordinates with other products in the Tresham collection Features Item Weight 79.