KOKNIT Large Capacity Crochet Storage Backpack Portable Knitting Bags and Totes Organizer Yarn Storage Backpack New Item Knitting Backpack with USB Port In order to better meet the needs of our customers, we have added a USB port to our new crochet bags and totes organizer. Could provide you with a more convenient way to charge your devices while walking Warm tip: Just a more convenient USB port, doesn't include mobile power and charging cable Large Capacity Yarn storage bag has a capacity of 28 liters, is enough to storage all the crochet tools and accessories you need on a daily basis Elastic Straps Design Knitting bag backpack with elastic straps fit up to 14” knitting needles. Elastic straps could keep the knitting needle firmly without moving Detachable Compartment Knitting backpack organizer has detachable compartments to keep your projects organized and easy to pull in and out of Stainless Steel Yarn Hole Crochet storage organizer has matching yarn holes on the side, allowing you to start your knitting project without having to remove all the yarn, while minimizing pet interference Portable Travel Yarn Knitting Backpack Let You Can Start Something You Love Anytime & Anywhere Choose KOKNIT Yarn Storage Knitting BackPack Start Your New Crochet Project