... specification sheet) of plastic primarily used in the Showcase button stationery, books, photo albums, catalogs, etc. products, from the child, the mother ... , light weight, easy to install, push-in installation, portable equipment, stationery button can be reused.4. Main applications: for documents, pictures ... class.5. Other: meet the ROHS, standing stock, common industry. Stationery Button SN-15G