Superior ferrite Magnets for Glass White board 1)Magnetic 2)Size:3kinds 3)Eco-friendly 4)Good quality,best price Superior ferrite Magnets for Glass White board 1)Magnetic 2)Size:3kinds 3)Eco-friendly 4)Good quality,best price Item: Superior ferrite Magnets for Glass White board Specification:1.High coercive force,strong magnetic power;2.The maximum operation up to 200 degree centigrade or 380 ...