The Aeromax Jr. Fire fighter helmet is adjustable and fits most youth sizes 3 to 12. Great construction with durable plastic and great attention to detail. A great match for the Aeromax Jr. Firefighter suit in black or tan. This assorted set Includes 3 helmets: 1 black, 1 yellow, 1 red. Aeromax quality products make great gifts for girls and boys. This item has been tested to meet USA safety standards for children's products.