We put the individual zip lock bags into a single bubble priority (one price type) envelope. We send them all to Janice. She sorts them sends them back to each of us (we provide postage). We make the block put each one back in a baggie the senders baggie is easier b/c it already has their name. We include our name as the maker. When they are all finished we send them back to Janice who again sorts them and sends them back to each of us. The postage is a little higher then other swaps since we are paying for 4 mailings, but it is over 2 or 3 months, and so much fun it is worth it. Each mailing is 7.80 if you use the one price envelope.[QUOTE=mmac71;7786514]SewBiz thank you for the explanation of the Booms. I have been a lurker there for a long tome, love looking at all the beautiful blocks, but the confusion is on the packaging process in sending. fat 1/8ths say 20 individual zip locks. Put info such as whose fabric it is