It is made of medical grade silicone gel. It is ultra-soft and odorless. It moisturizes the skin on the heel and relief cracked heels.

Features:

• Provides you with the relief for your heel pain
• Absorbing heel pressure with extra cushioning
• Helps with your cracked heels and peeling skin 
• Softens your foot calluses and moisturizes the heel
• Ultra-thin lightweight medical grade gel heel silicone is not only cushioning your heels but also provides shock absorbent
• Easy to wear and fit in shoes, preventing dry skin wherever you are