Their bold colors and sturdy yet flexible materials make these binders a must for all your important business, personal, or school materials. Wilson Jones Flexible ACCOHIDE Round Ring Binders offer the ultimate durability in binders. These Flexible ACCOHIDE Binders are lightweight, flexible, and tear-proof to fit all the demands of a student or professional constantly on the go. Equipped with back-mounted round rings, matte finish covers, and semi-rigid and tear-proof material, these Wilson Jones Flexible ACCOHIDE binders are easy to use, look great, and are built to last. What more can you ask?