MATERIAL – These Winter slipper socks are made of 95% polyester, 5% cotton. The material is extraordinary soft and comfy. Extra thick thermal Fleece Lining, Super comfortable and extremely warm! ONE SIZE – Suitable for Women US size 5 to 10. They are elastic and perfectly make it suitable for your feet. THICK & WARM – Enjoy the fuzziness of the inner sock, wear your warm winter on cold winter days to keep your entire body warm or wear it for transitional cold spring and autumn days! NON-SLIP SOCKS DESIGN – Silicon rubber grips on soles of socks prevent slips and falls on smooth floors. Great socks for the elderly to prevent falling. GIFT OPTION – The Christmas socks for festival and winter cute decoration,Would be a special great gift for friends, family, your girlfriend, wife in their birthday, Christmas and Holidays Gift!