Double sides use card case 1.Meterial: PVC,Magnet 2.Size:A3,A4,A5,A6,A7,A8,any size Double sides use magnetic card case Double sides are the same to be used,can be easily and conveniently Price list, notice, sale promotion, contract, certification, precious photo, artwork, produce instruction can be easily attached to metal surface for reminding,instruction,attraction. Feature1. Double sides are ...