Pressure Pointz multifunctional shoe cushions prevent blisters and add comfort any area in your shoes. Simple and effective, these mini miracles relieve painful shoe pressure. Use anywhere you feel pressure in your shoes against your feet. Prevents calluses from forming. Protects against blisters and red marks. Skived edges so cushions won't roll and curl with foot friction. 1 inch diameter to precisely cover point of pain. Specs: 6 individual shoe cushions. PORON® performance cushioning never loses its shape. Cushions have 3M adhesive backing that sticks inside shoe. Not recommended for removal/reuse. Made in the USA. Recommended by the American Podiatric Medical Association.