The conair vsw32 women’s slipper is a plush rubber-soled slipper with warm faux fur interior. it combines function and comfort with a massaging sole that is sure to relax away the pain and fatigue your feet experience. good for indoor use as well as outdoor the vsw32 women’s slipper is sure to relax you. one size fits most and each slipper requires 1 aaa battery (not included).