You're currently looking at Zazzle.com's custom Flowers envelopes section, where you can find a variety of Flowers designs for standard #10 envelopes with address windows. Measuring 4 1/8" x 9 1/2", Zazzle #10 envelopes are available for personalization or ready for purchase as is. Most Zazzle.com custom envelopes ship within 24 hrs after ordering. Add a special touch to your business envelopes with free images and text! To see other related products, check out the main flowers page.