3 pairs of gel heel cup plantar fasciitis inserts-silicone heel pads, gel heel pads and cups for heel pain, bone spurs and Achilles tendon pain Material-The heel cup is made of high-quality medical-grade soft silicone, which can extend abrasion resistance. If necessary, gently clean the heel pad by hand with a mild detergent. Heel pain relief-The high-quality heel cup used for heel pain pads provides excellent support for the heel and ankle, reducing pain, fatigue and swelling. Our silicone heel protector is perfect for those who are on their feet all day. U-shaped heel protection-The U-shaped design of the heel pad can protect the heel and keep the curve of the lower limbs when walking, thereby protecting the feet and preventing ankle sprains. Suitable for any occasion-the comfortable gel heel cup can be used on most shoes, including sports shoes, dress shoes and boots, with or without socks. If necessary, plantar fasciitis inserts can also be worn in socks.