high strength aluminumframed magnetic board ,with high quality and low price 1.available for magnetic or non-magnetic writing surface,. the material is eco-friendly 2.you can choice wood framed,aluminum framed and plastic framed.no deform 3.packing:individual in polybag 4.full concealed metal installation accessories,convenient use and firm installation 5.11*17',12*12,can do any size as your requested. 6.separated aluminum or plastic hold tray,convenient to put-on and take-down