PolyesterWork Great for Dry and Cracked Heels If you have rough dry cracked heels, these moisturizing gel socks are the right thing for you. As you continue using it, you will notice that your dry feet skins will be very softComfortable to WearThe heel moisturizing socks are made of stretchy cotton, very comfortable and breathable. These gel heel socks keep moisturizer on heels and wont stain bed sheets or comforterwith Gel InsideThe moisture spa socks are with gel inside which help keep the moisture in so that your heels stay moisturized The toeless foot moisturizer socks will make a huge difference on your dry, cracking heelsToeless DesignThe toeless design socks for women allows your toes to breathe and feel cooling while your heels are being moisturized during the day or night sleepReusable Spa Socks The gel socks for dry and cracked feet are washable and reusable, suggested hand washOne Size Fits Most One size fits most women and men. The lotion socks are comfortable, not too loose or too tightProduct Details:Size: one size fit mostMaterial: polyester cottonColors: black, grey, green/ grey, pink, blueProduct Included:3 pairs moisturizing socksSocks Care:1: Washing in water below 30 degrees, hand wash only.2: No bleach, no dry cleaning and do not iron.3: Do not peel the gel in the socks.Customer Service:If you have any problem for our product, you can click seller contact button in your Amazon account to contact us. We will be delighted to help you and reply as soon as we can.