Super DurableThe mesh bag is made of breathable nylon, lightweight, ventilated, strong and durable. The grille design allows air to circulate, odorless, safe and visible. Adjustable Shoulder StrapThe shoulder straps can be easily adjusted, don't worry about hanging low or high on your back. Thick cords prevent digging into your shoulders and help reduce your shoulder load. Convenient OpeningThe strap is designed for easy closing, and it is easy to hang and carry the helmet. You only need to pull the rope on both sides to lock the bag opening, which is quick and convenient. Multi-UseThe drawstring loop allows you to put items in quickly and take them out and on easily. The drawstring backpack is very suitable for various activities, gyms, sports, including swimming, walking, camping, hiking, running, shopping, exercising, vacation, streetball, the beach, jogging, travelling, take it with you. PortableLarge capacity main compartment with drawstring closure can accommodate almost any welding helmet, including masks and basketballs. When you don't use the drawstring bag, please store the headphones in the drawstring bag to avoid dirt, scratches and damage.