Strong Rectangular Memo Magnet Use For Whiteboard

Rectangle neodymium memo magnet with 55mm length,22.5mm width and 8.5mm height.They make with a plastic case and neodymum disc magnet,have very strong force,normally can hold about 30pcs of A4 paper on white board.Normally done with black,red,white,blue,yellow and green colors.Custom package is possible.We can talk details.