Keepfiling 5.5 x 8.5 Mini 3-Ring Binder, 1.5 inch D-rings, Black/Sapphire Blue, 1 Binder Mini 3-ring binder for 5-1/2" x 8-1/2" sheets 1-1/2" D-rings, can hold up to 270 pages OR 95 pages of sheet protectors Inside cover pocket for extra 1 or 2 loose pages. Spine label pocket for labeling. Black outside/ Sapphire Blue inside Made with archival safe polypropylene ~270 pages of paper, or ~95 pages of sheet protectors (depending on thickness) Inside pocket behind binder cover can hold an extra 1 or 2 pages of paper 3-ring binder Black powder coated; reduces risk of nickel allergy D-rings to keep pages unformed and aligned Easy to open and close with boosters Hard durable cover Yet, very slim - only a bit thicker than a penny Spine label pocket Finger hole for convenience<br>