callus on ball of foot

{"cid":"91184799","title":"AA Battery Remover Foot Spa Device , Health Care Dual System Foot Callus","imgUrl":"https:\/\/img.chinax.com\/nimg\/c6\/55\/f22cc1101f00b9c142e5bf857292-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Limkong","Model Number":"LK00220","Minimum Order Quantity":"Negotiable","Delivery Time":"30Days","Certification":"\/","Place of Origin":"China Zhejiang","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"50000+pcs+quarter","Packaging Details":"Blister + color paper","Type":"Callus Eliminator","Size":"154*58*32mm","USAGE":"1.Remove dead skin 2.Foot massage C","Item Name":"hot Health Care Dual System Foot","Waterproof":"IPX5","Material":"ABS"}}