Hypoallergenic cushion protects tender areas, reducing the friction that causes foot pain and discomfort technology specifically for people who have painful calluses on their feet, and want discreet cushioning. A callus is caused by the buildup of hard, dead skin over an area of pressure or bony prominence. Calluses on the feet are often caused by friction and pressure from footwear as well as abnormal patterns of walking or repetitive activities (such as in sports). Technology surround calluses and hard skin with a thin and flexible gel that provides immediate relief from painful shoe pressure and friction.Real Pain Relief – Relieve painful corns, calluses, rubbing and chafing with foot callus cushions that help make it easier to walk, jog, move and stay on the go.Premium, Breathable Comfort – Made with a premium foam, these soft foot callus cushions cover hard skin to reduce shoe pressure and friction. These callus pads are approximately 1.4" x 1.4" with an interior hole measuring 0.625".Self-Stick Adhesive – Great for all day comfort and support, the self-sticking, waterproof adhesive keeps your callus cushions in place all day long.Ultra-Thin Fabric –Each callus cushion pad is made with soft foam that won’t keep you from wearing socks or your favorite pair of shoes.Multipurpose Foot Support – These foam callus cushions can be used daily for work, running errands, standing on your feet at home, or even fitness.