Greenguard Gold Certified. Circular Storage gives teachers a place to stow student belongings in an angle-free fashion. The table's two and three tiered design adds ample storage options for toys, crafts and books. Constructed of 100% Baltic Birch hardwood with eased edges and coated with our exclusive Tuff-Gloss UV finish. Dimensions include casters. Lifetime Warranty. Made in the U.S.A. All are 29 1/2" wide and 29 1/2" in diameter.