DescriptionThis product is a safety bump cap liner, made of solid materials, safe and durable. It can serve you for a long time without being easily damaged. The product is an excellent safety bump cap liner that can bring you more convenience, allowing you to have a more comfortable experience.Features-Color:Black -Material:Plastic -Size:19.50X19.50X10.00cm/7.66X7.66X3.93in - Solid plastic materials ensure durability and longevity. Rounded edges prevent scratches and damage. - Provides a solution for creating personalized helmets and improving handcrafting skills. - Suitable for a variety of scenarios and environments. Perfect for professionals and DIY enthusiasts alike. - Outstanding workmanship, reasonable design, stable and practical, will bring you a good using experience. - Professional ergonomic design concept, when in use, feel comfortably and experience excellently.