disc magnetic button Material: iron ,copper Size:10mm ,14mm,18mm,6MM Colour: nikle , brass ,ect Thickness : 2mm 3.4mm 4 mm disc metal Magnet button Magnetic buckle Magnetic buttonItemNo-ks-mb-008Many design availableplain surfase , embosing surfaceSize:10mm 14mm 16mm 18mm 20mmPacking: 100sets/box ,40box/cartonThickness : 2mm 3.4mm 4 mm disc metal Magnet button Magnetic buckle Magnetic button