Simply slip it over a cap with a brim, hat, or sun visor hat to keep out yabu mosquitoes, flys, and bees. Insect bites on your face and neck, and the sound of the ear is very discomfort. Also effective for sun protection. Moderate fine mesh (hole count: about 80/cm2) with good visibility, good breathability and no suffocation. Soft nylon material with a smooth texture. Comes with a storage sack, so it is recommended as a carrying item for outdoor activities such as hiking. Main unit: Upper side: 7.9 inches (20 cm), Lower side: 17.7 inches (45 cm), Length: 19.7 inches (50 cm), Storage sack: 2.0 inches (5 cm) x 3.5 inches (9 cm); Weight: 0