DescriptionMade of premium silicone material with air holes, adjustable, breathable and durable for long term use. Comfortably can be worn under socks or stockings with shoes, boots or heels in daily life. It can efficiently release the heel pain, ankle pain and others unsightly foot problems.Feature- Color: White. - Material: Silicone. - Size: About 4.7 x 8.5 x 0.2 cm. - Made of premium silicone material with air holes, adjustable, breathable and durable for long term use. - High flexibility for fit for many different sizes of feet. - It can efficiently release the heel pain, ankle pain and others unsightly foot problems. - Perfect for ballet, belly dance, gymnastic, yoga, pilates, contemporary dance and other dance, or just wear them inside your shoes. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement and etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!