These thermal binding covers can be paired with any of the Coverbind machines; all of which provide the fastest, easiest, and most professional bound book. Whether you need hard or soft covers, covers with windows or solid, this is a great solution. Because not only is document binding with these wrap-around covers simple, it is incredibly versatile because of the styles available. All styles have an adhesive strip pre-applied into the spine that is warmed up in your thermal binder. There is no mess and no hassle -- achieve a professional and clean bind with Coverbind thermal binding covers today.