Features: Versatile and fun engineer hard hat: Our plastic engineer hard hats are an ideal complement to any party or themed event. Measuring 10 x 7.8 x 4.8 inches with a head circumference of 22 inches, these hard hats are the nice fit for a construction themed, building construction style party or Halloween dressing up. Open up a world of fun and charm as you match these hard hats with other party supplies or costume pieces. Charming gift option: Our plastic construction party hats set can create a memorable gifting experience. Crafted in pleasing color, these kids construction hats bulk not only make for an exciting party prop but also a thoughtful gift for anyone in your life. Delight your children, friends, or colleagues with our hard hats for kids and see them relish your thoughtfulness and care. Specifications: Material: plastic Color: as shown Size: about 10 x 7.8 x 4.8 inch, 22 inches in head circumference Package includes: 6 x Construction hats Notes: Manual measurement, please allow slight errors on size. The colors may exist a slight difference due to different screens.