Designed for use with the DeskTop VeloBind, VeloBind Binding Strips have 4 pins that form a durable binding for A4 documents. Ideal for documents that need to be edited or updated, as the pins unlock to add or remove pages and then re-close easily. These 45mm black VeloBind Binding Strips give you the ability to securely bind up to 200 sheets. This pack contains 25 binding strips.