colored envelopes 10 envelopes straight flap adhesive strips DIN B6 (12 x 17.5 cm) 2 x light green, pink, cream, red and sun yellow Each envelope weighs approx. 5 grams We also sell these envelopes separated by color. A note about sending mail (especially important for sending larger quantities): Deutsche Post does not see the coding on colored envelopes, which is why it does not officially have to accept them as a standard letter. Alternatively, you can send the envelopes as a compact letter or information letter/compact.