This is a head guard for striking martial arts. It uses transparent reinforced plastic "polycarbonate." It also has ear protection, and we've considered safety more than existing products. It's easy to use with a Velcro type closure. Polycarbonate is a special material that is difficult to break, but please use it with caution. Material: Artificial leather, Polycarbonate (face) Made in Taiwan JR (Head circumference 46-58cm) It's in very good condition as it has only been used about twice.