The Maxxima Marine Boat Mesh Storage Pouch is made of durable black braided rope mesh with a black-coated aluminum frame. Though labeled as 12" x 8" by the manufacturer, it measures approximately 12 5/8" in width and 8 1/4" in height overall. Featuring (4) 1/8" diameter mounting holes, it's perfect for adding storage space in your boat, car, RV, camper, shed, shelving, and more.