Complete your construction worker costume with these plastic yellow construction helmets. The economical price of these hats makes these a great party hat for themed parties and events. 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: Made of plastic, Yellow color only, Adult size, 4 in.Tall x 8 in. Wide, Can buy by the dozen or by the piece. Select from buying options below.