Premium Black Plastic Comic Book Title Dividers - Easily Find Comics! (Case of 100) Everyone knows that when you keep those boxes of comic books organized, they're much easier to browse through! With these dividers you can easily flip through your box to quickly find the title you want. Fits neatly inside all regular comic boxes. Our own branded Acid-Free Title Dividers are made of thick 'BLACK' Polypropylene Plastic and will not harm properly stored comics. Quantity = 100; Measures 11" x 7". Comic Books are not included.