Self-made envelopes April - Newbie friendly

You will make at least 10 envelopes for your partner.

For size I suggest about C6 (114 x 162 mm or 6.4 × 4.5 in) or DL (110 x 220 mm) as this should be able to send as "regular" letter in every country. It doesn't have to be exact this size.
Any paper is acceptable (maps, calendars, magazines, scrapbook paper, etc.) as long as it is sturdy enough.
Make them nice and decorate if needed. Try to vary the patterns/colors.
Lining of the envelopes and double sided tape on the flaps is optional.

Store-bought envelopes that are decorated by yourself are NOT acceptable.

There's only 10 days to send as you can prepare the envelopes before the signup deadline ends.

Requirements

• I will ban everybody mentioned on my profile as flaker or non-rater.
• 1-ratings within the last 12 months are not acceptable (only very few exceptions)
• 1-ratings from active swappers are not acceptable at all
• I will check all 3-ratings.
• l will ban everybody who has not logged in within the week before the signup deadline.
• Newbies (less than 15 completed AND rated type-2 or type-3 swaps) have to join the group Newbie Helpers otherwise I will ban them.