We are Shanghai Showcheer Ltd, we are professional supplier and manufacturer specializing in stationery. According to our past experience and clients�¢?? feedback, our goods have good quality and best price. You can check our web for more surprised goods . Looking forward to your enquire. Our binder and clipboard is made by special PVC which can�¢??t be effected by temperature and ESD/Antistatic, always keep same shape.