The size of the most common envelope is: 4 1/8" x 9 1/2".

They are called #10 and come plain or with a window.

Pricing starting at:

$68 for 500 #10 plain with black ink (extra 500's add $34),

$78 for 500 with window with black ink (extra 500's - add $39),

1 standard color: add $25 to price (if screen dots - add extra $20),

2 standard color: add $50 to price (if colors are tight registration/are very close to each other - add $20),

Custom mixed color (PMS) and MetalicGold or Silver add $50.

Standard Colors
(on different monitors colors will vary!):