Adjustable corner shelves maximize showering space Includes four rimmed shelves, two large bins, two shower hooks and two soap dishes with towel bars Dishwasher safe shelves and bins snap into place; no tools required Caulk-free four-piece modular design made of solid vikrell material; includes factory installed wood backers for future grab bar installation Installs with guard+ shower base for superior water containment and a low three-inch threshold