The Deluxe 38mm Comb Binding Rings let you securely bind all your important official documents. These binding rings are suitable for use with all kinds of comb binding machines, making them a handy addition to your office or home supplies. Available in a neat finish, they add a professional touch to your presentations, reports, training materials and projects. They are made of strong, durable plastic and are sure to last for long. These comb binding rings help prevent page slippage or tearing and ensure that your documents stay organised.