With crisp lines and an elegant border, this Tresham shower base brings classic American design to the bathroom. Designed for comfort, this base includes a built-in seat and low threshold for easy access. Available in a palette of Kohler® colors to complement any decor. Kohler® Shower Base, Single Threshold, Tresham®, 60 in Length, 36 in Width, 21-1/8 in D, Right Drain Location, 3-3/8 in Diameter Drain Hole, 20 psf Minimum Floor Load, Acrylic, Biscuit