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Blue means business and with these Blue #10 Envelopes, you are sure to get that message across. The common size is perfect for any business need, such as invoices, bills, promotions, flyers, and more. But they're also great for personal events too! From baby shower invites to Hanukah blessings, from a simple letter to a birthday card, these blues will certainly make your recipients happy! 

Blue 4 1/8 x 9 1/2 Envelopes fit a standard piece of paper folded three times. Available in #10 commercial envelopes (which open on the long side), #10 policy envelopes (which open on the short side), and #10 window envelopes (small address window on the bottom left corner). 

Blue 4.125 x 9.5 Envelopes are available in over 15 shades of blue! Try our Translucent collection for a unique take on the standard commercial envelope or go with our designed envelopes such as our blue foil and airmail! You surely won't be disappointed in the quality and versatility of these envelopes, so get browsing!