DescriptionThis safety hat insert liner can be a good choice to prevent our heads from hurting by the falling objects, impacts, bumps, and scrapes. Made of ABS and EVA materials, this bump cap insert is light weight, breathable and comfortable to wear. Easy to use, can be used for construction workers, electricians, and more areas of workers.Features-Color:As Shown-Material:ABS, EVA-Size:21.00X18.00X10.00cm/8.25X7.07X3.93in- This hard hat liner is made from ABS and EVA materials, can be durable for long period using.- Effective protection from bumps, scrapes, and other heads injuries, this safety hat liner has protection effect.- Breathable design, the safety hat liner can let you have a satisfying wearing feeling even in hot summer.- This hat liner is good for car assembly, construction workers, maintenance, mechanical processing, industrial manufacturing and more areas.- Replaceable hard hat liner can extend the service life of the helmet, bringing you much more convenience.