Premium Molded Base Set

Dense foam interior has a permanently molded 3/16″ thick exterior white rubber cover for maximum durability ? Galvanized steel subframe fits securely in ground anchors permanently embedded in the field ? Set includes three official size 15″ x 15″ x 3″ bases with subframes, 3 ground anchors, and 3 ground plugs for when bases are not in use to keep out dirt and rain. Additional Information Instructions BBSBBASE