SPB guitar pedal boards are made of aluminum and come in 4 different sizes (small, medium, large, and X-large). Made with musicians in mind, Stage Right pedal boards combine affordability and durability, with a simple and portable design. These are no-frills boards for the gigging musician. Featuring a universal design, SPB pedal boards include hook and loop adhesive fasteners that securely mount any size and shape guitar pedal. This means you won't need anything besides board and pedals to assemble. In addition, all SPB models and sizes include a carrying bag for easy and secure transportation.