HexArmor 9" Arm Guard 9S is made of high-performance cut and puncture resistant fabric. The HexArmor 9" arm guard will help protect your forearm from metal, knives, and even punctures from objects like sheet metal. Spandex wrist insert with thumb hole. Will not fall down like knit sleeves! Compatible with most gloves. Ambidextrous, sold individually. Reduce costs: lasts 10-15 times longer than typical protective wear. Protective materials are made in the United States.