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A plain white #9 return envelope does the job. A colored one does the same job and gets noticed before the recipient decides what to open first. The #9 colored wove envelope nests inside a standard #10 outgoing envelope with a quarter inch of clearance on each side, holds folded A4 correspondence, invoices, reply cards, and return forms in its 3 3/4 x 8 3/4 inch interior, and mails at First-Class letter postage. The color is the only functional upgrade over the plain white version. For billing programs, fundraising appeals, seasonal promotions, and any mailing where the return path is as important as the outgoing piece, a colored return envelope makes the enclosed piece harder to set aside and easier to pick up. One buyer always orders the blue wove because it coordinates with their stationery. That's exactly what the colored #9 is for. Available with custom logo and return address printing from Business Envelopes. Free shipping, no minimums.
The standard outgoing and return mail pairing is a #10 outgoing envelope with a plain white #9 return envelope enclosed. The recipient opens the #10, reads the letter or statement, and has a reply envelope ready. That format works. The friction point is whether the recipient actually uses the return envelope or sets it aside. A colored return envelope creates a distinct visual object inside the outgoing piece. It's visually separate from the white letter, it signals a deliberate choice by the sender, and it's physically more likely to be picked up and set aside in a "to do" pile than a plain white envelope that blends with every other piece of mail in the stack.
For nonprofit development programs, political reply mail, event RSVPs, and any program where return rate is a tracked metric, the color upgrade on the enclosed #9 is one of the lowest-cost response rate improvements available. You're already printing and inserting a return envelope. The variable is whether the recipient uses it.
The wove finish on this envelope is the standard smooth commercial surface that takes custom printing cleanly and coordinates with white or matching color stationery. The color range includes classic business colors like blue and red alongside warmer and more distinctive options. A few ways organizations select a color for their return mail program: matching the primary brand color, contrasting with the outgoing #10 for maximum distinction inside the package, rotating seasonal colors across a year's worth of mailings, and selecting a color that coordinates with existing stationery like the buyer who chose blue specifically to match their letterhead.
For the plain white #9 without color, see the #9 White Gum Flap. For the #9 in security tinted white with a peel-and-seal closure, see the #9 White Tinted Peel and Seal. For the starburst colored #9 with bold pattern across the full face, see the #9 Starburst Peel and Seal. For the matching colored #10 in wove format, see the #10 Wove Gum Flap. Browse the full colored envelope range for all sizes and color options.
I was very excited when my order arrived a few days after ordering. The printing was nicer than expected. Thank you!
I always go for the blue wove envelopes since they coordinate with our stationary beautifully. Its definitely a must have for us!!