Face Mask Neoprene Spider Is really decorative and stylish. Strong seams and elastic. It protects against wind and debris and warms. Has openings for eyes and nose and ventilation holes at the mouth. Velcro fastening in the back for a perfect fit. Material. Neoprene approx. 2.5 mm thick elastic rubber material with textile surface on the inside. Color. See photo. Size. One size. Our face masks are of lightweight type and very fine and of the highest quality.