Milliken SuperPro Pool Table Cloth Applying more research than any other company, Milliken has produced a high-performance pool table fabric. Using a blend of 70% Merino wool and 30% nylon, SuperPro worsted billiard cloth gives you a smooth, long-lasting playing surface. All SuperPro cloth is treated with SpillGuard protectant. SuperPro delivers a superior playing experience. SpillGuard is a special coating that protects every fiber, so it won't swell, smell, or stain. SuperPro's playing surface stays fast and responsive and looks good throughout the life of the cloth.