IDS Cool Skull Neoprene Snowboard Motorcycle Ski Biker Half Face Mask Mouth Guard Protection Great item for outdoors and jungle activities such as snowboarding, skiing, riding snowmobile, hiking, fishing, golfing & biking etc Fits in your pocket, easy to carry Easy Breathing and enough spacing around the eyes to wear either goggles or sunglasses One size fits Adult 18.89" (48cm)