3 components sold separately. Available in realistic 6 in x 6 in tile wall surround and a contemporary smooth curve surface. Compression molded, durable, solid Vikrell material retains room temperature. Color molded throughout with no layers to chip, crack or peel. Easy-to-clean, lightly textured, smooth high gloss non-porous finish maintains its luster without waxing. Assembles watertight with tongue-in-groove interlocking joints, for seamless appearance, no need to caulk or grout. Installs directly to stud walls. End wall set includes 2 wall pieces that work with 36 in, 48 in or 60 in wide bases/back walls. Back wall has 6 shelves, shaving ledge/foot rest for comfort. Meets or exceeds ANSI Z124.2, IAPMO and HUD UM BULLETIN 73A. NAHB certified and labeled, CSA B45, ASTM F462 slip resistance.