Mueller - Mueller Heel & Lace Pad Dispenser, 3" x 3"x 1/6" Perf Pads, 2000 ct per box : The Mueller Heel & Lace Pad Dispenser holds 2000 pads measuring 3" x 3" x 1/6". Mueller Heel and Lace Pads help reduce friction inside shoes near the heel and lace areas. These pads are made of thin layers of white foam that have lubricated ointment for added comfort.