The ropes are very strong and it can prevent digging into your shoulders and help reduce your shoulder burden , that is why this drawstring bag is very comfortable to use. ^ High grade nylon material help to prevent the thing in your bag from getting wet even in a rainy day. ^ It folds up easily to fits into any place without adding any weight space.^ It can hold your various sports gear or your daily sports supplies, such as sports clothing, sports towels, swim gear, etc.^ It is a great sports gift for men and women. Boys and girls can use it as a gym backpack or a school book bag.