Sterling 76" high Advantage white seated shower wall sets are made of Sterling's exclusive Vikrell material tile pattern with swirl gloss finish. Vikrell is a sheet molded compound that is solid color throughout, and stronger than fiberglass. Must be used with Sterling base Model No. 62041100-0 (SKU 491756). The base features a lightly pebbled slip-resistant bottom for safer footing. The finished shower unit is 60" W. x 34" D. x 76" tall. Sterling Vikrell shower systems assemble with a tongue and groove system that minimizes the need for caulk. Use Sterling doors model No. SP5975-595 (SKU 444255). Sterling Vikrell fixtures are backed by a 10 year consumer warranty.