GREENGUARD Gold certified. 20% more storage area than our standard single storage unit. Constructed from Birch Plywood, and coated with our exclusive Tuff-Gloss™ UV finish. A recessed back for added strength, stability, and beauty. Fully rounded corners and edges for maximum safety. 30"H x 48"W x 18"D. Fully assembled on locking casters. Lifetime warranty. Made in the U.S.A.