How To Software Envelope Styles Share Pin Email Print Software Graphic Design Documents Spreadsheets Presentations Desktop Publishing Databases Animation & Video by Jacci Howard Bear Updated November 30, 2017 01 of 06 Announcement / Invitation Envelopes Common A Series Envelope Sizes and Enclosure Dimensions Send your greetings, announcements, and invitations in an A-Style envelope. Image by Jacci Howard Bear; licensed to About.com Common Envelope Sizes and Enclosure DimensionsExplore common envelope styles, construction, usage, and sizes along with dimensions for standard envelopes and their enclosures.Typical uses of the A-Style envelopes are for greeting cards, announcements, informal invitations, and small booklets.Open side envelopes with square, often deep flaps and side seams, these envelopes - also called A-Style or A-Line -- can have deckle edges on the top flap and are often used with matching text and cover papers in white and colors. You may find announcement and other envelopes called invitation, greeting card, or personal correspondence envelopes. Look at the size and flap/seam style to know exactly what style you're getting.The following list shows the name/number designation, envelope dimensions, and approximate maximum enclosure dimensions for some of the more common sizes of the A-series envelope style. Actual dimensions for enclosures will depend on the thickness of the enclosure (paper thickness, number of pages).A1 5.125 x 3.6254.75 x 3.5A2 5.75 x 4.3755.5 x 4.125A6 6.5 x 4.756.25 x 4.5A-7 7.25 x 5.257 x 5A8 8.125 x 5.57.875 x 5.25A-Long (Slimline)8.875 x 3.8758.625 x 3.625A10 9.5 x 69.25 x 5.75All measurements in inches: .125 = 1/8 | .25 = 1/4 | .375 = 3/8 | .5 = 1/2 | .625 = 5/8 | .875 = 7/8These A series envelope sizes apply specifically to the United States. Standard International envelope sizes differ. 02 of 06 Baronial Envelopes Common Baronial Envelope Sizes and Enclosure Dimensions Send formal announcements or use Baronial envelopes with fancy social stationery. Image by Jacci Howard Bear; licensed to About.com Used for formal invitations, greeting cards, and some stationery, Baronial is an open side, almost square envelope with pointed flaps and diagonal seams.Inner/Outer envelope sets come with the (slightly smaller) inner envelope ungummed.The following list shows the name/number designation, envelope dimensions, and approximate maximum enclosure dimensions for some of the more common sizes of this envelope style. Actual dimensions for enclosures will depend on the thickness of the enclosure (paper thickness, number of pages).24.25 x 3.18754 x 2.937545.125 x 3.6254.875 x 3.37555.625 x 4.1255.375 x 3.8755 ¼5.25 x 4.255 x 45 ½ 5.625 x 4.3755.375 x 4.12566.5 x 4.756.25 x 4.625Gladstone 5.5625 x 3.56255.375 x 3.375Astor5.625 x 3.6255.375 x 3.5Lee 7.25 x 5.257 x 5.125All measurements in inches: .125 = 1/8 | .25 = 1/4 | .375 = 3/8 | .5 = 1/2 | .625 = 5/8 | .875 = 7/8These Baronial envelope sizes apply specifically to the United States. Standard International envelope sizes differ. 03 of 06 Booklet Envelopes Common Booklet Envelope Sizes and Enclosure Dimensions Booklet envelopes hold more than just booklets. Image by Jacci Howard Bear; licensed to About.com Open side envelopes with small square or wallet flaps and side seams, booklet envelopes are ideal for overall printing and mailing.Booklet envelopes are used not only for booklets but for brochures, catalogs, annual reports and other multi-page mailings. They work well with automatic-insertion machines.The following list shows the name/number designation, envelope dimensions, and approximate maximum enclosure dimensions for some of the more common sizes of the booklet envelope style. Actual dimensions for enclosures will depend on the thickness of the enclosure (paper thickness, number of pages).36.5 x 4.756.25 x 4.54 ¼7.5 x 57.25 x 4.754 ½7.5 x 5.57.25 x 5.2558.5 x 5.58.25 x 5.2568.875 x 5.758.625 x 5.56 ½9 x 68.75 x 5.756 5/89.5 x 69 x 5.756 ¾9.5 x 6.59.25 x 6.2579.625 x 6.259.375 x 67 ¼10 x 79.75 x 6.757 ½10.5 x 7.510.25 x 7.25811.125 x 810.875 x 7.75911.5 x 8.7511.25 x 8.59 ½12 x 911.75 x 8.751012.625 x 9.512.125 x 9.251313 x 1012.75 x 9.75All measurements in inches: .125 = 1/8 | .25 = 1/4 | .375 = 3/8 | .5 = 1/2 | .625 = 5/8 | .875 = 7/8These booklet envelope sizes apply specifically to the United States. Standard International envelope sizes differ. 04 of 06 Catalog Envelopes Common Catalog Envelope Sizes and Enclosure Dimensions Use catalog envelopes for heavy material like magazines and catalogs. Image by Jacci Howard Bear; licensed to About.com Usually open end envelopes with wallet flaps and center seams, catalog envelopes are used for magazines, reports, catalogs, and other heavy-weight materials.Policy envelopes, used for insurance policies, wills, mortgages, and other legal papers sometimes come with a full-view window on the face.The following list shows the name/number designation, envelope dimensions, and approximate maximum enclosure dimensions for some of the more common sizes of this envelope style. Actual dimensions for enclosures will depend on the thickness of the enclosure (paper thickness, number of pages).16 x 95.75 x 8.751 ¾6.5 x 9.56.25 x 9.2526.5 x 106.25 x 9.7537 x 106.75 x 9.7567.5 x 10.57.25 x 10.2578 x 117.75 x 10.7588.25 x 11.258 x 119 Policy4 x 93.75 x 8.759 ½8.5 x 10.58.25 x 10.259 ¾8.75 x 11.258.5 x 1110 Policy4.125 x 9.53.875 x 9.2510 ½9 x 128.75 x 11.7511 Policy4.5 x 10.3754.25 x 10.12512 Policy4.75 x 10.8754.5 x 10.62512 ½9.5 x 12.59.25 x 12.2513 ½10 x 139.75 x 12.7514 Policy5 x 11.54.75 x 11.2514 ¼11.25 x 14.2511 x 1414 ½11.5 x 14.511.25 x 14.251510 x 159.75 x 14.515 ½12 x 15.511.75 x 15.25All measurements in inches: .125 = 1/8 | .25 = 1/4 | .375 = 3/8 | .5 = 1/2 | .625 = 5/8 | .875 = 7/8These catalog envelope sizes apply specifically to the United States. Standard International envelope sizes differ. 05 of 06 Commercial Envelopes Common Commercial Envelope Sizes and Enclosure Dimensions The #10 commercial envelope is the most popular size for business and personal correspondence. Image © Jacci Howard Bear; licensed to About.com Used for business, direct-mail, and personal correspondence and direct-mail style envelopes, the commercial envelope style includes the standard, readily available #10 envelope.Also called business, standard, or officials, commercial envelopes are open side envelopes usually with commercial style flaps and diagonal seams although some sizes come with side seams and square/wallet or pointed flaps. The Monarch is a variation of the #7 ¾ envelope but with pointed flap. The window version has single or double windows that allow addresses to show through the face of the envelope. They are normally used for invoices or billing statements, paychecks and receipts.The following list shows the name/number designation, envelope dimensions, and approximate maximum enclosure dimensions for some of the more common sizes of this envelope style. Actual dimensions for enclosures will depend on the thickness of the enclosure (paper thickness, number of pages).#55.5 x 3.06255.25 x 2.8125#66 x 3.3755.75 x 3.125#6 ¼6 x 3.55.75 x 3.25#6 ½6.25 x 3.56256 x 3.3125#6 ¾ 6.5 x 3.6256.25 x 3.5#76.75 x 3.756.5 x 3.5#7 ½7.625 x 3.757.375 x 3.5#7 ¾ & Monarch 7.5 x 3.8757.25 x 3.75Check8.625 x 3.6258.375 x 3.5#98.875 x 3.8758.625 x 3.75#10 9.5 x 4.1259.25 x 3.875#10 ½9.5 x 4.59.25 x 4.25#1110.375 x 4.510.125 x 4.25#1211 x 4.7510.75 x 4.5#1411.5 x 511.25 x 4.75#1612 x 611.75 x 5.75All measurements in inches: .125 = 1/8 | .25 = 1/4 | .375 = 3/8 | .5 = 1/2 | .625 = 5/8 | .875 = 7/8These commercial envelope sizes apply specifically to the United States. Standard International envelope sizes differ. 06 of 06 Square Envelopes Common Square Envelope Sizes and Enclosure Dimensions Square envelopes look great but can cost more to mail than other styles. With their large square flaps (and sometimes pointed flaps) and side seams, square envelopes are distinctive but the nonstandard size and shape can potentially increase postage costs. Some sizes of square envelopes cannot be mailed unless placed inside a larger, mailable envelope.Square envelopes are used primarily with announcements, advertising, and specialty greeting cards or other mailings where the sender wants to draw attention to the contents before the envelope is even open.The following list shows the name/number designation, envelope dimensions, and approximate maximum enclosure dimensions for some of the more common sizes of the square envelope style. Actual dimensions for enclosures will depend on the thickness of the enclosure (paper thickness, number of pages).55 x 54.75 x 4.7566 x 65.75 x 5.756 ½6.5 x 6.56.25 x 6.2577 x 76.75 x 6.757 ½7.5 x 7.57.25 x 7.2588 x 87.75 x 7.758 ½8.5 x 8.58.25 x 8.2599 x 98.75 x 8.759 ½9.5 x 9.59.25 x 9.251010 x 109.75 x 9.7513 ½ 13.5 x 13.513.25 x 13.25All measurements in inches: .125 = 1/8 | .25 = 1/4 | .375 = 3/8 | .5 = 1/2 | .625 = 5/8 | .875 = 7/8These square envelope sizes apply specifically to the United States. Standard International envelope sizes differ. Was this page helpful? Thanks for letting us know! Share Pin Email Tell us why! Other Not enough details Hard to understand Submit Continue Reading