You can find a variety of padded envelopes at major retailers, often for as little as $1.00 each. Priority Mail Flat Rate® Padded Envelopes | USPS.com Priority Mail Flat Rate® Padded Envelopes. USPS.com. Priority Mail - USPS
While padded envelopes are now a shipping staple, they were actually born from a décor disaster. In 1957, engineers Alfred Fielding and Marc Chavannes tried to create a textured, 3D wallpaper by sealing two shower curtains together. It failed as wallpaper and as greenhouse insulation before finally finding its "pop" as protective packaging for IBM computers in 1961. Where to Buy Padded Envelopes