Championship Mercury Ultra Backed Pool Table FeltThe Mercury Ultra Pool Table Felt by Championship Billiards is the number one choice for all National Amateur Championship Tournaments in Las Vegas (APA, VNEA & BCA) over the past few years. Mercury Ultra billiard cloth holds the honor of being chosen as the official billiard cloth to more amateur tournaments than any other cloth in the world. This Mercury Ultra has a Backed Cloth and weighs 19 ounces. It has a blend of 75% wool and 25% nylon. The unique finish applied to the Mercury Ultra pool table felt makes this fabric look and play like a worsted. This unique cloth is designed for players who want the speed of worsted but donít want to pay the higher prices associated with worsted fabrics.