Samsill Corporation Heavy-Duty Binder, 2"" Capacity, 8-1/2""x11"", BlackHeavy-duty Locking Round Ring Binder combines exclusive Flexaround construction to cover top-loading sheet protectors and indexes that stick out in standard binders, Curved back spine offers an upscale appearance, Soft-click locking ring opens in one easy motion and is mounted on the back lid so pages lie flat, Heavy-duty construction withstands frequent use, SKU: DLRDY076717