Custom Drawstring Backpacks Personalized Bring Everywhere You Go, Great for Travelling, Gym and for Everyday Use Drawstring Backpacks - Non-Woven Drawstring Backpacks are perfect for sports, shoes, and gym items. The built-in earphone port allows you to listen to music while keeping your devices safe, out of the sun, and protected. Suitable for Various Occasions - Our custom drawstring backpack keeps all your gym and sports checklists in an easily accessible pouch to kick off today’s active lifestyle. Made of quality polypropylene material, this durable and easy-to-carry backpack is great for biking, hiking, running, and more! Durable & Comfortable Design - Make this your go-to pack. Everything you need in a bag, including a strong 80 GSM non-woven polypropylene polyester material, reusable, 24” long black rope strings.