Material:Made of high quality premium TPU material and stretchy neoprene , soft and comfortable to wear. Size: 16cm x 13cm /6.3″ x 5.1″ ,120g. One size fits most teens and adults with adjustable velcro. Performance:Lightweight, Breathable, Refreshing, Comfortable. 800 FPS Protection:Protect your lower face, teeth and nose against 800 feet per second pellets/BB gun. Application:Perfect for Airsoft or BB Gun competition, Live CS game, Tactic game,Nerf gun battles, Survival game, Cosplay, Outdoor Party, Halloween, Costume ball etc.