Introducing the 3Pairs Breathable Heel Cups, Plantar Fasciitis Inserts, Heel Pads. These heel cups are made of high elastic, durable, heat-resistant, aging-resistant, non-toxic material, ensuring softness and comfort during use. The unique venting holes design on the heel cups allows for breathability and keeps your feet comfortable throughout the day. With easy usability and reusability, these heel cups are made of SEBS material and can be easily washed with warm water. For added comfort, you can apply some body powder before use. These heel cups are suitable for various shoes such as high heels, dress shoes, boots, and can be worn with or without socks. You don't have to worry about wearing them in rainy weather. The unique cellular design of these heel cups ensures a perfect fit for all shoe sizes. Not only do they provide support and reliability for the entire ball of your foot, but they also offer shock absorption properties that can relieve knee and hip pain. Walking around in these heel cups will make you feel at least 10 years younger. Upgrade your footwear experience with the 3Pairs Breathable Heel Cups, Plantar Fasciitis Inserts, Heel Pads. Say goodbye to discomfort and hello to comfort and support.