Premium high-gloss non-porous ProCrylic surface is durable, easy to clean and resists mildew. Bright white finish matches porcelain fixtures. Seven built-in shelves provide much needed storage space. Built-in nailing flange helps ease installation. Direct-to-stud installation helps create a long-lasting and secure unit. Easy to handle material with no fiberglass backing. No mortar bed required saves time and money. Recommended adhesive: DAP 3.0, RD 3000, and ECO-BOND. Three-piece design is easy to transport. 10 year limited residential warranty. 1 year limited commercial warranty. Wall set only - Shower base not included.