The net mesh is 21.7 inch/ 55 cm in height, bottom perimeter is 14.2 inch/ 36 cm. Fits comfortable over any wide or narrow brimmed hat to protect your face and neck from the mosquitoes, bugs, black-flies, gnats, no see ums, skeeters, and other insects. •Made of nylon material, an elastic drawstring from the bottom of the head net mesh to cinch tighter around your neck, very easy to wear and take off •Breathing is very easy and the clarity of sight is also clear through the extra fine mesh, a real solution for irritating insects to stay away from your face and neck While gardening, camping, hiking, fishing, and any outdoor activities in the noseeums season •Each head net comes with a small bag to keep the fine mesh from getting entangled in things or getting ripped Specification: •Material: Nylon •Size: 36 * 55cm / 14.2 * 21.7inch (width * height) •Quantity: 4PCS •Weight: 100g Note: The hat is not included Package included: •4 x Anti-mosquito Head Cover •Other items not included