What was your source for this sewing project? Online Photo or Website Name of website or photo Sleeping Bag Liner Link to website or photo bunchoberries.blogspot.com/2012/10/sleeping-bag-liner.html What are you most proud of? it was so fast! What advice would you give someone starting this project? think about what you are making it for. my bag needed a double layer because it is a warm weather bag. my husband would only need a single layer because his is a cold weather bag. but it does go together fast! easy!