Cultured Marble shower bases are available in both standard and custom sizes. Cultured Marble is extremely durable and with its dense surface coat, they are very stain resistant and easy to maintain. Standard bases include an integral drywall flange on three sides and an integral threshold. They are currently available: 36”X 36”, 36” X 48”, 36” X 60”, 36” X 36” Neo Angle and 42” x 42” Neo Angle.