Ships from Hong Kong. Ideal for: All Outdoor Activities: Walking - Hiking - Riding - Running. Moisture-wicking microfiber polyester fabric,UV sun protection,Soft and multi-use. The design allows you to wear it several different ways, including face mask, full balaclava, neckerchief, headband, and more. Feature: Highly stretchable and comfortable; Seamless. Size: 5.7*2.5 CM; Thickness: 0.04 CM.