Shelves in the 6-Shelf Organizer are perfect for holding filler paper, handwriting paper and smaller sizes of art and construction paper. Slots measure 2-1/2"H x 10-1/2"W x 13-1/4"D. Organizer measures 13.5" x 12" x 17.75". Recycled and recyclable.Special Shipping Information: This item ships separately from other items in your order. This item cannot ship to a P.O. Box. This item may be subject to additional processing days.