About the Mainstream Collection Give your bathroom a fresh update with the Mainstream shower options. The collection includes a 32-inch shower door. coordinating wall system and shower base. each sold separately. Choose only the pieces you need or plan a complete shower makeover that’s easy and affordable. The Mainstream Alcove Shower Wall Set from American Standard brightens your shower with the crisp. clean look of Arctic White. Ideal for a 32-inch shower. the Mainstream wall set is an easy-to-install. glue-up system that adheres directly to greenboard. Smooth surface is easy to wipe clean and eliminates the care and maintenance of traditional tile grout. Featuring built-in shelves. it’s the perfect combination of easy care and convenience. Add the coordinating Mainstream shower door and base. each sold separately. for a complete update.Contemporary Design Crisp and clean in Arctic WhiteEasy to Clean Smoothnon-porous surface wipes cleanBuilt-in Shelves Convenient storage for showering essentials can be placed in either corner for personal preferenceEasy to Install Glues directly to greenboard with construction adhesive (not included)Dimensions 32 x 32 x 72; please refer to specification sheet for exact dimensions and installation information