My best friend sent a baby quilt using a USPS priority envelope. All that arrived to her niece was the label off the front of the package. When shipping, I always make sure I secure the label with glue and then tape the priority envelope so it won't open accidentally going thru the sort machines. I bought fabric from a seller on eBay and was shocked when there was a big slice in the envelope. Felt I was real lucky to have gotten my fabric.