Confidently send envelopes and mailers with mailing supplies from the Supplies Shops. Choose from a wide variety of stretch film, wraps, boxes and cushioning material to ship your packages safely. Be sure to use the sidebar on the left to narrow your results and find the right mailing supplies to fit your needs. If you can't find the mailing supplies you need, contact us at [email protected] or reach out to us on Facebook or Twitter. To order your mailing supplies by phone or for product assistance, call toll free: 855-473-9921.