Complete your baseball field and prioritize player safety with the Champion Sports Foam Filled Quilted Cover Base Set. This set of three, 15" x 15" x 3" bases provides a perfect combination of durability and comfort. The heavy-duty, quilted nylon cover ensures these bases can withstand intense play, while the soft, foam-filled interior cushions impacts during slides. Each base features two steel spikes and two nylon straps for easy installation and secure positioning throughout the game.