The Original Jox Box from On Deck Sports eliminates holes in batters boxes, in pitcher's area, and in front of bases. After proper installation, the Jox Box is low maintenance. Durable design resists steel cleats and is waterproof. Cover the fiber turf with 1/2" of fine sand or ball field mix after installation to create a smooth transition, and you are ready to play ball. Designed to give players level, solid and comfortable footing, reduce sliding injuries and eliminate the maintenance costs of dreaded dug-out holes around home plate while allowing players to dig-in.Size is 4' x 8' overall, 3' x 7' exposed after installation. Set of two boxes. Installs in about one hour.