This listing includes a 5-pack of Project Source particle board shelf decks, each measuring 48 inches in length. Model number 5638889. Items are in like-new condition and appear to be in their original packaging with no reported damage or missing pieces. Particle board shelf decks are commonly used with wire shelving systems or freestanding shelf frames to create a solid, flat surface — ideal for closets, pantries, laundry rooms, or garage storage. A great value for anyone organizing or renovating their home.