Shot T-Shape Rubber Darts Mat A T-shape rubber darts mat that provides enhanced floor protection below the dartboard. The T-shape ensures that your floor is protected from bounce-outs at all angles. The product comprises two separate rubber mats that are affixed together to make the T-shape. The T-Shape Mats are made of heavy duty rubber and are suitable for home and pub / club use. When set up, the mat measures 300 x 60cm, widening to 150cm below the dartboard for optimum protection. The mat also features 2 printed oches / throw lines. By Shot Darts.