This compact, minimalist, patented design (US patent# 10,939,714) is designed to be mounted onto drywall or wood. Stores up to 25 hats per unit. Hardware included. A simple and beautiful organization system for ball caps with flat to mildly curved brims. Works best with ball caps that have stiff faces. THIS DESIGN IS NOT INTENDED FOR USE WITH EXCESSIVELY BENT BRIMS, SOFT FACED HATS, OR COWBOY HATS, OR BEANIES.