12 pcs magnetic massage heads make the slipper more helpful 82 pcs massage heads massage your feet completely Operated without battery or other power Easy to change the size with the magic hook and loop strap Available massage whenever and wherever No negative effect makes it available to fit all Physicalhealth,relievefatigue:promotebloodcirculation,regulatetheinternalfunctionsofthebody(suchasstomach,spleen,heart,ears,eyes,etc.),clearthechannel,makethebreathsmooth. Adjustable,footmassage,relievefatigue,promotebloodcirculation. Suitableformassagelovers,theelderlyandothers:stayinguplate/workingovertime,poorqualityofsleep,sedentarystaff,muscleaches,poorimmunity,obesity. Theshoeupperisdesignedaccordingtotheacupuncturepointsofthehumanfoot,whichmakesitmorefittedandthemassageeffectisbetter. Enjoy a professional foot massage by simple walking. You may feel painful for first several times use if you have a tight foot, add socks and shorten the wearing time will help you feel better. Brand No Brand SKU 100245071_NP-1020502406