18in. × 12in. × 4in. The Original Floating Shower Bench Kit® with Concrete Mesh Foam Board® - Original Shower Bench Bracket®

The Original Floating Shower Bench Kit is easy to install, and customizable to fit your specific shower needs. Our waterproof and vapor-resistant foam backer board can be easily cut and shaped to fit your desired bench size and shape. The Original Shower Bench Brackets provide the support you need for any bench projects you have.