1.[Thermal Binding Machine]No need for punching holes, just a single button to bind. The clamping rail prevents paper from falling out, and the open cooling slot ensures rapid cooling. Make document binding more secure and efficient with our thermal binding machine! 2.[Efficient Heating]This thermal binder has a high - power heating capacity of 500W, combined with PTC ceramic heating technology, the heating process is fast and the paper is evenly heated. 3 adjustable time settings meet different thickness needs. 3.[Large Binding Capacity]The thermal binder can bind up to 500 sheets with a thickness of up to 50mm at once. This thermal book binder is compatible with A3, A4, A5 and A6 paper sizes, fulfilling various document binding requirements and enhancing work efficiency. 4.[Effortless Use]This thermal binder only needs to plug in the power supply, place the document in the cover, set it in the slot, select the timer, and after the countdown, cool it in the cooling slot to finish the binding process. Perfect for any user level.