1Pebbles stimulate foot acupuncture point, relieve heel pain and tension, make you feel comfortable. 2Sticking design, the width of slipper is adjustable, you can regulate it to increase comfort level. 3Promote foot blood circulation, good massage effect, beneficial for health care. 4Different colors of pebbles on the slipper, overall looks exquisite, beautiful and practical. 5Multiple sizes of slippers are optional, you can choose according to foot size.