Business correspondence envelopes come with a variety of flap styles and sizes. The most common is the number 10 with either a Commercial flap or a Square flap.
Commercial Flap
These envelopes are designed for machine insertion making them an ideal and efficient choice for direct mail, invoices, checks and statements. Commercial envelopes are also often used for letterhead and personal correspondence. They open along the top side and have diagonal seams.
Square Flap
The square flap business envelopes are often used to add elegance or a contemporary flair to correspondence. These envelopes are well suited for engraving, thermography and other printing processes, but are not recommended for automatic insertion equipment.
Policy Flap
With the opening on the end of the envelope the policy envelopes are often used for custom marketing material and invitations.
DL International
Engineered to ensuer maximum opacity which provides for a more confidential presentation, DL International Envelopes are available in CRANE'S CREST Papers only. 411/32 x 821/32 inch, with 43 mm (111/16 inch) flap.
Commercial envelopes are typically packaged in two different formats:
- Economy grades, normally 14 pt. card stock and 24 lb. envelopes, are packaged 500 per box and 5,000 per carton.
- Premium grades, generally 16 pt. card stock and 28 lb. envelopes, are packaged 500 per box and 5,000 per carton.
- Matching folders available for most sizes, folders generally 100 lb. stock (Basic 25 x 38/500) and packaged 250 per box, 2,500 per carton.