Self Adhesive Binder Spine Pockets are an easy solution for adding labels to almost any smooth surface. These peel-and-stick spine pockets are ideal for ring binders, clipboard covers, dividers, and alert sheets. They're versatile and removable, so they may be stuck to doors, walls, storage containers, and just about anything else. Compatible with Carstens brand, 1" Binder Spine Insert Cards. Our binder spine pockets are composed of ultra-durable, flexible 10 gauge vinyl that is 10 mil thick. It's 2.5 times thicker than many other heavy-duty adhesive pockets, and the seams are electrostatically welded so they won't rip, tear, or fracture. Binder and notebook labels that are ideal for use in schools, offices, or medical institutions to provide clear identification and simple access to the right documents.