Can I put a backpack in my quilt? During the week she works at a major airline. On the weekend she runs, bikes, and swims in triathlons. We needed something to fill an open spot on her quilt. She asked if she could include part of her authentic Ironman backpack. It’s polyester and quiltable. She wasn’t using the backpack as a backpack. No problem to include it and into the quilt it went! She can still wear the backpack or part of it. Just in a different way !