Special Features:

Paper grade: uncoated; envelope size: 4-bar; finish: vellum; caliper: 6 ; smoothness: 210 ; brightness: 98 ; opacity: 94 ; material: iaw fsc and sfi certified; two hundred and fifty (250) envelopes per pack; ten packs (totaling 2, 500) shall be packaged in a carton in accordance with normal commercial practice; basis weight: 70 lb (text-offset)

Properties:

An envelope, usually made of a paper product. The face may be plain or preprinted with or without an open or glassine address window. The closure may be a gummed flap or a button and string fastener. When required a smaller envelope may be glued on the right face of the larger envelope. The interior may have a printed opaquing design and/or contain chipboard insert(s). It is designed for mailing correspondence/letters; records, or exposed and developed radiographic film. Excludes envelope, photographic negative; envelope, radiographic film mount, dental; and envelope, transparent.