This shelf is made from Baltic Birch Plywood, MDF and a hardwood frame. It measures 25" X 25" and 4" deep Each box measures 4.25"X4.25" It will fit 150 Cassette tapes and is easily mounted to drywall. Border options include, Maple, Black Walnut, Cherry (pictured), Red Oak, or a full black Finish. Handmade to order in Washington, USA Please allow 1-2 weeks Feel free to each out with questions