Strong 90 micron strength wallets, ideal for home, office and professional use. These pockets securely hold A4 documents. 50 pockets per single pack. Glass clear visibility with smooth finish and superior strength. Reinforced (grey) multi-punched spine for universal filing. Acid free and copy safe. Responsibly sourced materials and responsibly produced. Made from 100% recycled materials, product and packaging both 100% recyclable.