Sturdy strength will help you sort! Sturdy Mail Sorters are made of compressed wood with adjustable hardboard dividers. This Wood 18 Compartment Mail Sorter Letter Holder Organizer in Black has large slots to accommodate over-sized envelopes. Stack up to two high to increase sorting capability. Black plastic molding does double-duty, first as an attractive accent to the finish and second as a label holder for identifying the bins (labels are included). Durable laminate finish will compliment any setting. Solid fiberboard back provides stability for the unit. Wood 18 Compartment Mail Sorter Letter Holder Organizer in BlackMail sorterDurable laminate finishCompressed wood constructionBlack plastic moldingAdjustable hardboard dividers18 Compartments with large slots to accommodate over-sized envelopesSolid fiberboard backStacks up to 2-inch highIncludes labelsMade in USAManufacturer provides limited lifetime warrantyDimensions: 32.75-inch H x 33.75-inch W x 12-inch DWeight: 60lbs.