Our drawstring backpack bags are made of 80gsm non-woven fabric, heat sealing at the seam, lightweight but sturdy, the strings of draw string bag are sturdy, comfortable to carry. Besides that, these string backpack are biodegradable, reusable and eco-friendly, using them can protect the environment and reduce environmental pollution. Draw string bags are great for carrying items like gym shoes, workout clothes, keys, wallet, towel, water bottle, school supplies or various snacks. Suitable for adults and children, it is very convenient to use in daily life. These drawstring bags are perfect for many different occasions like party, gym exercise, sport, camping, outdoor activities, travel, corporate events, promotional giveaways and much more.