Envelopes from Dotworks 

Commercial/Official
Perfect for letterheads, invoices, statements, writing stationary, direct marketing mailings, and more. 
#5 Commercial 
3- 1/16 x 5-1/2
#6- 1/4 Commercial 
3- 1/2 x 6 
#6- 3/4 Commercial 
3- 5/8 x 6- 1/2
#8- 5/8 Commercial 
3-5/8 x 8-5/8
#7 Official 
3-3/4 x 6-3/4
#7-3/4 Official 
3-7/8 x 7-1/2
Monarch 
3-7/8 x 7-1/2 
#9 Official 
3-7/8 x 8-7/8
#10 Official 
4-1/8 x 9-1/2
#12 Official 
4-3/4 x 11
#14 Official 
5 x 11-1/2
Booklet 
Perfect for annual reports, brochures, sales literature and manuals. Used in volume mailings processed by inserting and sealing equipment. 
#1
3-1/4 x 6-3/4 
#2
4 x 5-5/8
#2 -1/2
#4-1/2 x 5-7/8
#3
4-3/4 x 6-1/2
#5 
5-1/2 x 8-1/8
#6 
5-3/4 x 8-7/8
#6-1/2
6 x 9 
#6-5/8
6 x 9-1/2
#7-1/2
7-1/2 x 10-1/2
#9
8-3/4 x 11-1/2 
#9-1/2
9 x 12 
10
7-1/2 x 10-1/2
Catalog
Perfect for catalogs, large booklets, and other heavy enclosures inserted by hand.  
10-1/2 Catalog 
9 x 12 
13-1/2 Catalog 
10 x 13 
Baronial 
Perfect for commercial and social applications, usually with a pointed flap and available in a variety of sizes. 
#4 
​Card Size: 3-1/2 x 4-7/8
3-5/8 x 5-1/8 
#5 
Card Size: 4 x 5-3/8 
4-1/8 x 5-5/8
#5-1/2 
Card Size: 4-1/4 x 5-1/2 
4-3/8 x 5- 3/4 
#6 
​Card Size: 4-5/8 x 6-1/4
4-3/4 x 6-1/2 
Lee 
Card Size: 5-1/8 x 7 
5-1/4 x 7-1/4
Square Flap 
Perfect for invitations, smaller brochures, booklets, and promotional pieces as well as business stationery. 
A2 
4-3/8 x 5-3/4
A6 
4-3/4 x 6-1/2 
A7 
5-1/4 x 7-1/4
A8 
5-1/2 x 8-1/8 
A10 
6 x 9-1/2
A-Long
3-7/8 x 8-7/8 
Slimline
3-7/8 x 8-7/8