Made of ultimate comfort premium quality polyester lining and acrylic outer knit pattern or design Easy one size fits most, suitable for Womens sizes 5 to 10 Non slip gripper bottoms make these perfect indoor slipper socks for use on hardwood, tile and other smooth floors Machine washable on cold or hand wash, gentle dry (do not tumble dry) and do not iron Enjoy lounging in these excellent value soft slippers in the home, office, dorm room or as a gift for a friend or loved one!