polyester
100% Microfiber Polyester and Protect from the Sun: High quality face mask materials, stretchable, skin-friendly, protect you from sun wind and dust to make you feel comfortable
Breathable and Lightweight: It is 1.18oz weight and durable thin; Quick dry fabric helps you feel cool in summer
One Size Fits Most: High stretchable circumference is about 21.25-25inch; One size almost fits all adults and teenagers
Clear 3D Printing and Multi-functional Use: Clear patterns, looks cool, great for outdoor sports, motorcycle, cycling, riding, running, jogging, hiking, fishing, paintball, rave, dusty festivals, yard work; Using as headband, face ma