Strong 90 micron strength wallets, ideal for home, office and professional use. Glass clear visibility with smooth finish and superior strength. Reinforced (grey) multi-punched spine for universal filing. These pockets securely hold A4 documents. 25 pockets per single pack. Acid free and copy safe. Responsibly sourced materials and responsibly produced. Made from 100% recycled materials, product and packaging both 100% recyclable.