Shop for Custom #10 Window Envelopes and get free shipping. Use for mailing letters, invoices, or other documents. Show a pre-printed mailing address through the plastic window.
Add your logo and return address. Print in black ink, two colors, or full color. Choose one color ink for a budget-friendly option. Select full color printing to highlight your brand.
Custom #10 Window Envelopes are the most popular size for business. Measuring 4 1/8" tall by 9 1/2" wide, they will fit a standard sheet of paper (8 1/2 x 11) folded in thirds.
These envelopes feature a plastic window measuring 1 1/8" tall by 4 1/2" wide. Use custom window envelopes to display a mailing address printed on a letter or document.
The traditional gum seal offers an economical option. Simply add moisture to the envelope, and press to seal. Looking for a self-seal option? Choose custom self-seal window envelopes.
Sending confidential documents? Choose Custom #10 Security Window Envelopes.
RE P#: E289 289