Goldwood truck boxes are CNC cut using 5/8" MDF and glued air tight, covered in black polyester carpet. For use with 8" woofer. Slanted front design. Dimensions: 11.25" H x 15.25" W x 7.25" (5-1/2" Top) D. Approximately 0.4 cu. ft., woofer cutout is 7.125" in diameter. Sold individually.