Blocks are from the following, Cat18, Leakus, C.Cal Quilt Girl,AnnaK, Brenda and Missgigglewings. Swap doesn't close for another week, but please make sure your blocks are here no later than Sept 3. On Sept 4th, they will be swapped out and mailed back to you. If there is an issue, please pm me and I will see what we can work out. Flat rate stamp ($4.90) to be included in your blocks. I will take care of the envelope.