Made of all natural cotton canvas, it’s an eco-friendly alternative to traditional nylon, ventilate and comfortable, since cotton is sustainable and all natural. The adjustable soft cotton rope shoulder strap doubles as a drawstring closure. Reusable string drawstring bags are biodegradable and recyclable. These drawstring backpacks are very lightweight, easy to carry and can be folded up when unnecessary. The drawstring backpacks are suitable for travel, gym, outdoors, school, work, hiking, cycling, running, yoga, dance and so on. Ideal gift for birthday party favors, festivals, trade shows, giveaways, promotional events, and advertising your business with its large imprint area. Customization is available.