Features Durable activity tables made from 1 in. thick MDF core with high pressure laminate. Matching 3 mm. PVC maple grain heat-sealed edge banding. A 3-1/2 in. long apron provides added strength. Impact resistant, preventing heavy hands from leaving indentations behind on the table top. Includes (4) locking casters for added mobility and convenience. Leg assembly required. Adjustable Legs 20-31 in.