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 - 1 1/2" (38.10 mm) Binder Capacity - Letter - 8 1/2" (215.90 mm) x 11" (279.40 mm) Sheet Size - 280 Sheet Capacity - 3 Ring - Fastener: Round Ring - Pocket: Internal - Suede Vinyl, Polypropylene, Chipboard - Black - Heavy Duty, Gap-free Ring, Open and Closed Triggers, Label Holder, Flat, PVC-free, Latex-free - 1 Each General Information Manufacturer: ACCO Brands CorporationManufacturer Part Number: 13541Manufacturer 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: 1 1/2" (38.10 mm)Sheet Capacity: 280Sheet Standard: LetterSheet Size: 8 1/2" (215.90 mm) Width x 11" (279.40 mm) LengthNumber of Rings: 3Fastener Type: Round RingPocket Location: InternalFeatures: Heavy Duty Gap-free Ring Open and Closed Triggers Label Holder Flat PVC-free Latex-free Physical Characteristics Color: BlackMaterial: 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: NoRecycled Content: 0% ChipboardPost-consumer-waste%: 0%Assembly Required: No Product Numbers: 050505135417