DescriptionThis safety hat insert liner is a good choice to protect our heads against falling objects, impacts, bumps, and scrapes. Made of premium materials, this bump cap insert is lightweight, strong and comfortable for long time using. Vented breathable design of the helmet provides cool feeling in hot summer or dry days.Features-Color:White -Material:PE -Size:21.00X19.00X10.00cm/8.25X7.47X3.93in - This bump cap insert is made of premium materials which can withstand more impact, durable for long time using. - Can be used as workshop light work cap shell protector, light baseball safety bump pad, bump cap insert for protection. - Effective protection from bumps, scrapes, and other heads injuries, this baseball hat insert owns good protection effect. - Vented breathable design, can let you have a better and satisfying wearing feeling even in hot summer. - This hat insert is suitable for automobile assembly, maintenance, mechanical processing, industrial manufacturing, etc.