Heavy-duty binder is made with environmentally friendly polypropylene. Round rings come with no-gap feature to keep rings securely aligned. Two bottom pockets come complete with top pocket guards that secure loose paper. Tough Hinge adds increased strength, and a textured-like, grained, professional-looking finish. Wilson Jones ENVI Heavy-duty Round Ring Binder - 3" (76.20 mm) Binder Capacity - Letter - 8 1/2" (215.90 mm) x 11" (279.40 mm) Sheet Size - 480 Sheet Capacity - 3 Ring - Fastener: Round Ring - Pocket: 2, Internal - Suede Vinyl, Polypropylene, Chipboard - Red - Heavy Duty, Open and Closed Triggers, Gap-free Ring, Latex-free, PVC-free, Label Holder - 1 Each General Information Manufacturer: ACCO Brands CorporationManufacturer Part Number: 13568Manufacturer Website Address: http://www.acco.comBrand Name: Wilson JonesProduct Line: ENVIProduct Name: ENVI Heavy-duty Round Ring BinderMarketing Information: Heavy-duty binder is made with environmentally friendly polypropylene. Round rings come with no-gap feature to keep rings securely aligned. Two bottom pockets come complete with top pocket guards that secure loose paper. Tough Hinge adds increased strength, and a textured-like, grained, professional-looking finish. Packaged Quantity: 1 EachProduct Type: Ring Binder Product Information Binder Capacity: 3" (76.20 mm)Sheet Capacity: 480Sheet Standard: LetterSheet Size: 8 1/2" (215.90 mm) Width x 11" (279.40 mm) LengthNumber of Rings: 3Fastener Type: Round RingFastener Location: Back-mountedTotal Number of Pockets: 2Pocket Location: InternalFeatures: Heavy Duty Open and Closed Triggers Gap-free Ring Latex-free PVC-free Label Holder Physical Characteristics Color: RedMaterial: Suede Vinyl Polypropylene Chipboard Miscellaneous Additional Information: Pocket guard secures loose paper from falling out Wide covers provide full index and page protector allowance Recycled: NoAssembly Required: No Product Numbers: 050505135684