GREENGUARD Gold certified. This mobile book organizer has everything you need to keep your reading area tidy. (4) Upper and lower book organizer allows you to store more books with a smaller footprint. Birch Plywood, with mortise & secure fastener construction for exceptional strength and durability. Our exclusive UV Finish provides unsurpassed protection. Fully rounded corners and edges for maximum safety. 28-3/4"H x 46-3/4"W x 12"D. Ready to assemble with attachable casters. Lifetime warranty. Made in the U.S.A.