Relieve painful corns, calluses, rubbing and chafing with ZenToes foot callus cushions. Made with a premium foam, these soft foot callus cushions cover hard skin to reduce shoe pressure and friction. They measure approximately 1.4" x 1.4" with an interior hole measuring 0.625". Great for all day comfort and support, the self-sticking, waterproof adhesive keeps your callus cushions in place all day long. ZenToes callus cushions can be worn with socks and shoes daily for work, running errands, standing on your feet at home, or even fitness.