DURABLE MATERIAL: The mosquito head netting is made of 100% nylon, breathable fabric keeps you form mosquitoes and any annoying bugs but allows fresh air in and clarity of vision through the net, super easy to put on and take off. UPDATED BIGGER SIZE: 21.25 inch/ 54 cm in height, bottom perimeter is 37.8 inch/ 96 cm; top perimeter is 15.7 inch/ 40 cm(approx.) fits comfortable over any adult and child size hats. Neck drawstring from the bottom of the head net mesh allows adjustment to really keep the little buggers out and provide comfortable wearing. WIDE APPLICATION: Save you from the mosquitoes, bugs, flies, gnats, no see ums, etc. Good portable equipment to enjoy outdoor activities such as fishing at night, hiking, camping, trekking, traveling, cycling and gardening. EXTRA FINE MESH: 522 holes per square inch/ 81 holes per sq cm, not dangling strings to catch on objects, a real solution for irritating mosquitoes to stay away your face and neck, a great gift for a traveler, hiker, hunter, fisherman, gardeners, etc. FREE STORAGE BAGS: Each face mech netting comes with a small toggle bag, save spaces during traveling and easy to store in your pocket.