DIY ART FRIENDLY: Our polyester cinch sacks are heat-resistant, so you can do heat transfer printing and DIY painting on these string bags. Your design will give the sackpacks different, meaning what will become the best gift for you or your family and friends. Make your life more colorful and creative. DRAWSTRING BAGS DESIGN&LIGHTWEIGHT: There are two straps on each side, and the bottom corners are reinforced with triangle PU leather with two metal grommets. You can drag the string to close the sinch sack, and then it can be a backpack. The cinch backpacks can also free up your hands and help you reduce your shoulder burden. Our gym sack bags are lightweight enough to make you feel relaxed. LARGE CAPACITY: Drawstring backpack bags bulk measures 22.4” L x17.5” W, perfect size for carrying items like exercise clothes and shoes, towels, water bottles, other various snacks. QUALIFIED MATERIAL: Draw string sport bags made of High-Density polyester fabric with PU leather reinforced corner. Our large string bags are not easy to tear, and comfortable, durable material and good quality can prolong the sports backpacks' life. WIDE APPLICATION: These cinch pull string backpacks can serve as traditional backpacks, gym bags, travel cinch bags, and bags when you go to supermarkets, suitable for home storage. Our drawstring bags can hold the inside items well. Let your life add glamorous colors every day, increase the sense of energy and entertainment. --Perfect Size: These drawstring bags measures 22.4”L x17.5”W; it is big enough to carry a pair of shoes, a bottle, basketball, an umbrella, or clothing. Idea gifts for a birthday . --Qualified Material: Our Cinch sacks made of High-Density AG11polyester fabric with PU leather reinforced corner. Our large sports drawstring bags are not easy to break and comfortable, durable material and good quality can prolong the life of the drawstring backpacks gym. --Drawstring Bags Design: The drawstring for open and closure can hold the inside items well; no need to worry about missing your articles, very convenient for your use. --Do It Yourself: No letters or patterns on the backpack. You can print any logo or design to make a unique package to make the best gift. --Wide Range of Use: Our drawstring sack can fit for most occasions, such as parties, campings, shopping, biking, hiking, and daily travel. Typical style can work for all ages—perfect bags for families.