Out Of Play Rails 4'Measuring 4'x6"x3", includes 2 cup holders. This is the compliment to your modular TableTopper. By adding this accessory, you can bring more players to your game with additional rails that create out of play areas for rolling dice or holding minis that are either waiting to be brought onto the field of play or those who have been taken out. This can be purchased individually or in sets of two or more.