These black slatwall display panels are light weight so they can ship ground saving retail locations money. The panel has 7 full grooves that are 3" on center. These slatwall display panels can be used individually or stacked to create a series. The panel is sold in a set of 2. These slatwall display panels include one half-groove for stacking to create a 4' x 4' section. The product is light weight and easy to install which is what sets them apart from ordinary panels. These slatwall display panels can create a unique design using hooks, shelves, and bins. The panels are made from MDF material. Additional Details ------------------------------ Product description: These black slatwall display panels are light weight so they can ship ground saving retail locations money. The panel has 7 full grooves that are 3" on center. These slatwall display panels can be used individually or stacked to create a series. The panel is sold in a set of 2. These slatwall display panels include one half-groove for stacking to create a 4' x 4' section. The product is light weight and easy to install which is what sets them apart from ordinary panels. These slatwall display panels can create a unique design using hooks, shelves, and bins. The panels are made from MDF material.