From Foot Petals, the Complete Fit Essentials 3-Pack features: 1 set of ball of foot cushions: keep feet from sliding forward, reducing burning pain and preventing calluses; eliminate ugly overhang and toe scrunch; help you walk with perfect posture for overall back and leg relief 1 set of back of heel cushions: keep heels from slipping in and out of shoes, giving shoes the perfect fit by helping with sizing and fit issues; reduce blisters and ankle chaff 1 set of 3/4 insert cushions: keep feet from sliding forward and help prevent calluses from forming; eliminate ugly overhang and toe scrunch without compromising fit PORON® Cushioning provides superior shock absorption that reduces stress while being lightweight and breathable, keeping your feet cool, dry, and comfortable Adhesive backing for lasting placement, not recommended to remove and reuse Made in the USA.