Usage Tips:The 90 Pieces Corn Cushions are designed to provide protection and pain relief for your feet. The package includes 90 soft foam callus cushions in three different shapes: oval, circle, and U shape. These cushions are suitable for both men and women and can be used to protect sensitive areas on your feet from rubbing against socks and shoes. They are made of waterproof latex foam material, which allows them to be placed inside socks and shoes or directly on your foot. With their self-adhesive design, they are easy to remove and can fit easily in most socks and shoes, including sneakers, high heels, boots, and sandals. The oval corn cushion measures approximately 3 cm in length and 2.4 cm in width, with an interior hole measuring 0.7 cm in diameter. The circle corn cushion has a diameter of approximately 1.7 cm, with an interior hole measuring 0.8 cm. The U shape corn cushion measures approximately 2.8 cm in length and 1.7 cm in width, with an interior hole measuring 0.7 cm in diameter. These cushions effectively prevent wounds from being squeezed while moving and provide relief from pain caused by corns and blisters. They can be used during various activities such as work, running, fitness, and standing for long periods of time. The 90 Pieces Corn Cushions are not only practical but also easy to use. The self-adhesive design allows for easy application and removal. Simply stick them onto the desired area of your foot and enjoy the pain relief they provide. These cushions protect you against pain caused by friction, pressure, irritation, knocking, and bumping. Whether you are wearing sneakers, high heels, boots, or sandals, these corn cushions will provide the comfort and protection you need throughout the day. Key Features: 90 soft foam callus cushions in 3 shapes: oval, circle, and U shape Made of waterproof latex foam material Self-adhesive design for easy application and removal Suitable for men and women Provides pain relief for corns and blisters Can be used during various activities Fits easily in most socks and shoes Protects against friction, pressure, irritation, knocking, and bumping