Flat Envelope Icon in Long Shadow Style

This image features a clean, simple icon of a white envelope, designed in a contemporary flat style. A distinctive long shadow extends from the envelope, giving the illustration a sense of depth against the soft teal background. The envelope has a subtle dashed border, making it a clear visual representation for mail, messages, or communication in various digital contexts.

envelope - mail - icon - flat design - long shadow - communication - message - digital - simple