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" (25.40 mm) Binder Capacity - Letter - 8 1/2" (215.90 mm) x 11" (279.40 mm) Sheet Size - 175 Sheet Capacity - 3 Ring - Fastener: Round Ring - Pocket: Internal - Suede Vinyl, Chipboard, Polypropylene - Green - Heavy Duty, Gap-free Ring, Latex-free, Open and Closed Triggers, PVC-free, Label Holder, Flat - 1 Each General Information Manufacturer: ACCO Brands CorporationManufacturer Part Number: 13536Manufacturer 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" (25.40 mm)Sheet Capacity: 175Sheet 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 Latex-free Open and Closed Triggers PVC-free Label Holder Flat Physical Characteristics Color: GreenMaterial: Suede Vinyl Chipboard Polypropylene 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: 050505135363