VIGO 36 x 36-in. Round Shower Base, White Constructed of acrylic and fiberglass with wood reinforcement, textured bottom for safety and slip resistance Overall dimensions: 40.5-in. W x 40.5-in. L x 4.875-in. H Recommended for use with VIGO Shower Enclosures VG6031CHCL36L, VG6031CHCL36R, VG6031STCL36L and VG6031STCL36R Durable cross-linked cast acrylic shell is scratch and stain resistant, Non-porous surface Pre-leveled with integrated 1-in. flange on two sides to facilitate installation 3.5-in. pre-drilled drain opening, drain not included 2 Year Limited Warranty