Details:These yellow children's construction helmets can be worn to complete any construction worker or engineer costume. Children will enjoy pretend play and dress up games with these hats as well. The economical price on these hard hats makes them a budget friendly choice for large scale events or parties. Stock up on all your costume accessory and hat needs with Carnival Source. We have a wide selection of novelty, career, costume and whimsical hats to suit any occasion. You'll be sure to find the right hat for your next party or costume with Carnival Source. Product Highlights: Child Size, 4 in.tall x 7 in. Diameter, Yellow color only, Ages 3+.