Heavyweight sheet protectors feature built-in antimicrobial protection that prevents the growth of bacteria, yeasts, molds, and fungi for the life of the sheet protector. This antimicrobial technology is safe for humans and is EPA-registered and FDA-listed for water and food contact. Three-hole punched so no sheet punching is necessary for you to file documents in three-ring binders. Archival-quality polypropylene material will not lift print from inserts. C-Line Heavyweight Top-Loading Sheet Protector - For Letter 8 1/2" (215.90 mm) x 11" (279.40 mm) Sheet - 3 x Holes - Ring Binder - Clear - Polypropylene - 100 / Box General Information Manufacturer: C-Line Products, IncManufacturer Part Number: 62033Manufacturer Website Address: http://www.c-lineproducts.comBrand Name: C-LineProduct Name: Heavyweight Top-Loading Sheet ProtectorMarketing Information: Heavyweight sheet protectors feature built-in antimicrobial protection that prevents the growth of bacteria, yeasts, molds, and fungi for the life of the sheet protector. This antimicrobial technology is safe for humans and is EPA-registered and FDA-listed for water and food contact. Three-hole punched so no sheet punching is necessary for you to file documents in three-ring binders. Archival-quality polypropylene material will not lift print from inserts.Packaged Quantity: 100 / BoxProduct Type: Sheet Protector Product Information Sheet Standard: LetterSheet Size: 8 1/2" (215.90 mm) Width x 11" (279.40 mm) LengthNumber of Holes Punched: 3Supported Binder Type: Ring BinderApplication/Usage: ProtectionFeatures: Top Loading Archival-safe Heavyweight Punched Physical Characteristics Color Family: ClearProduct Color: ClearProduct Material: Polypropylene Miscellaneous Recycled: NoAssembly Required: NoCountry of Origin: China Product Numbers: 038944620336