Envelope design and manufacturing standards guides
Introduction There are dozens of envelope sizes, each sized to a specific insert — a letter folded in thirds, an invitation, a flat document,…
Introduction The standard business envelope size is #10, measuring 4⅛ inches × 9½ inches. It holds a letter folded into thirds and is the…
Introduction Square envelopes are the invitation world’s signature format — the 5×5 and 6×6 squares that carry wedding invitations, announcements, and greeting cards with…
Introduction International envelope sizes follow the ISO 269 standard, and the four you meet most are DL, C4, C5, and C6. If your business…
Introduction Certificate envelopes are a presentation-grade category built to carry documents that matter — diplomas, awards, and achievement certificates — without bending, smudging, or…
Introduction Most “custom envelopes” are actually standard envelopes with custom printing — the size and shape are off-the-shelf, only the ink is yours. A…
Introduction “Stationery envelopes” is the broad term for the classic correspondence envelope — the kind paired with letterhead, note cards, and invitation suites, as…
Introduction The large white envelope is the workhorse of document mail — the 9×12 or 10×13 carrier that moves contracts, catalogs, portfolios, and statements…
Introduction A decorated envelope carries its decoration on the outside — a full-bleed pattern, a themed illustration, a seasonal print, or a colored background…
Introduction A fancy envelope is where an envelope stops being packaging and becomes part of the gift. Metallic stock, pearlescent sheen, foil-stamped monograms, embossed…