Foot Petals Killer Kushionz 3/4 insoles provide ultimate support and prevent feet from sliding forward. The cushions absorb shock and help keep feet cool, dry and comfortable. Killer Kushionz are made with PORON performance cushioning which help prevent calluses from forming, help prevent friction, protect bone tissue, and cushion the sensitive ball-of-foot and heel areas. Killer Kushionz by Foot Petals are recommended by the American Podiatric Medical Association. Can be worn in open toe shoes. Apply cushion directly inside your shoe with the full length adhesive back. One pair per package.