Two-way mailing envelope for an audio cassette

Claim 1

A combination of a letter, an audio cassette and a two-way mailing envelope, which is used to carry said letter and said audio cassette in order to convey written and oral messages between a first sender and a first recipient, said combination of said letter, said two-way mailing envelope comprising: a. an envelope which is formed with an open end by joining a front panel with a flap which is disposed adjacent to said open end and a rear panel and into which the letter and the audio cassette may be placed; b. first and second protecting means for protecting the audio cassette from damage, said first and second protecting means being mechanically coupled to said front and rear panels, respectively; c. first addressing means for applying the address of the first recipient and the return address of the first sender, said first addressing means being mechanically coupled to said front panel; d. first adhering means for adhering said flap to said rear panel whereby said flap encloses the letter and the audio cassette; e. first covering means for covering said first adhering means, said first covering means being detachably coupled to said first adhering means whereby the first sender adheres said flap to said rear panel thereby enclosing the letter and the audio cassette; f. second addressing means for applying the address of a second recipient, who may be the first sender, and the return address of a second sender, who may be the first recipient, said second addressing means being disposed within said envelope whereby said second sender mechanically couples said second addressing means to said front panel over said first addressing means; g. second adhering means for adhering said flap to said rear panel adjacent to said open end of said envelope; and h. second covering means for covering said second adhering means, said second covering means being detachably coupled to said second adhering means.