This K66 profile is the most popular, and found on most tables because this super-fast cushion rubber gives you years of quality play and service.  They are full gum-rubber, A-grade cushion quality unlike extruded rubber which has fillers added.  Measures 1- 1/8″ x 1- 3/16″.  Check measurements to order correct size.  Six-piece set, 48″ per piece. Control fabric on the top and back.  Made in Taiwan.