Safety helmets for construction workers have passed safety testing and certification and can be used with confidence. With vents, sweatband, cushioning. Available in white, orange, blue, and red. can better protect our headsDual ear strap design, 8-point hood lining and durable chin strap keep it securely in place for improved comfort and greater impact protectionName: hard hat/construction hat/safety helmetMaterial: FRP MaterialColor: blue, red, white, yellowSize: 27.8x24x15.5cmWeight: 390gHead circumference: about 60cm (adjustable)Application: site construction, engineering construction, railway constructionPrecautions:1. When wearing a helmet, you need to adjust the headband according to the size of the head and fasten the chin strap2. After a severe impact, the helmet should be replaced even if there is no obvious damage3. If the case has cracks, dents or severe impacts, please stop using it and discard it immediately4. We always strive to provide our customers with the best service and products. If you have any questions or problems after receiving the product, please feel free to contact us directly