No bubbling or surface wrinkles; unlike other options in the basic binder class, this set of 4 Economy binders have covers that are fully adhered and have a textured pattern that is tear-resistant Round ring binder holds 175 sheets with 1 inch capacity round ring Pages lie flat because rings are mounted on the rear binder panel instead of on the spine Extra storage with 2 interior clear pockets; all Economy binders are made with nonstick PVC-free material—no ink transfer Great for light usage; can be used as a presentation binder or reference binder