Airmail Envelope Border Decoration Design

A clean, white rectangular space is framed by a distinctive border of alternating red and dark blue diagonal stripes. This classic design is instantly recognizable as the iconic pattern found on traditional airmail envelopes, symbolizing international correspondence and the journey of a letter across distances. It's a simple yet effective decorative element, evoking nostalgia for handwritten letters and global connections.

airmail - envelope - border - frame - stripes - red blue - postage - design - classic