This plastisol children's picnic table has a square top with 1 5/8" O.D. legs. Plastisol is a plastic coated 3/4" expanded metal with a diamond shape design. The seat height is 12" making it easy for children to seat themselves. The 20" height of this table makes it easy for children to access the top. This table would be great for outside of a day care for picnics.