4 Colors 100pcs Pvc Binding Aprons 21 Rings For 6-16mm, Bind 20-120 Sheets, A4. Introducing Our Versatile Manual PVC Binding Strips, Perfect for Organizing and Presenting Your Documents with Ease. Designed for A4 Files, These Binding Strips Offer a Professional Touch to Any Project. With Manual Punching Capabilities and a 21-hole Design, They Are Ideal for Various Binding Needs. Available in Four Classic Colors—white, Black, Blue, and Red—these Strips Accommodate Documents Ranging from 20 to 450 Sheets, Ensuring Flexibility for Your Requirements. Each Box Includes 100 Pieces, Providing Ample Supply for Any Office or Personal Project. Features: - Punching Mode: Manual - Punching Quantity: 21 Holes - Length: 300mm for A4 Files - Color Options: White, Black, Blue, Red - Sheet Capacity: - 6mm for 20 Sheets - 8mm for 40 Sheets - 10mm for 60 Sheets - 12mm for 80 Sheets - 14mm for 100 Sheets - 16mm for 120 Sheets - 18mm for 140 Sheets - 20mm for 160 Sheets - 22mm for 180 Sheets - 25mm for 220 Sheets - 28mm for 240 Sheets - 32mm for 260 Sheets - 35mm for 320 Sheets - 38mm for 350 Sheets - 45mm for 400 Sheets - 51mm for 450 Sheets - Quantity: 100 Pieces Per Box (varies with Size) Enhance the Presentation and Durability of Your Documents with Our High-quality Binding Solutions.. Your order tracking code will be sent on shipping and takes up to 5 days to show live information.