Nufoot Ballet Flats Travel Slippers - Solids Neoprene Perfect for home, the office, hanging out in the dormitory, reclining in an airplane, in yoga/pilates classes or your favorite indoor activities Made with high quality neoprene that is to provide a clean, comfortable and attractive look compared to the traditional slipper Ergonomic design, sleek appearance and vibrant colors make Nufoot an ideal choice for countless indoor activities Equipped with skid resistant soles for use on all indoor settings Size small fits women's shoe sizes 4 to 5, medium fits size 6 to 7, large size 7 to 10, X-large size 10 to 12 If you are in between sizes, please order the larger size If you are between sizes, please order the next size up