This toddler sensory water table has an 8" deep plastic liner tray. Cover the tub with the provided lid and use this table as a work surface. The lid can also be placed underneath the tub to create a shelf that stores manipulatives. Constructed from 100% Plywood, and coated with our exclusive Tuff-Gloss UV finish. The fully rounded corners and edges offer maximum safety. Casters are on two legs for easy drainage. Simple leg attachment required.