DescriptionThis hard hat replacement suspension is suitable for helmet use, can be a good choice to protect our heads against falling objects, impacts, bumps, and scrapes. Using ABS, nylon, sponge materials, this hard hat liner is light in weight, breathable and comfortable for long term using. Owning good protection effect, offer you more satisfying using feeling.Features-Color:As Shown -Material:ABS, nylon, sponge -Size:22.00X21.00X15.00cm/8.65X8.25X5.89in - This hard hat liner is made from sponge, ABS, nylon materials, can withstand impact, durable for long period using.- The proper size fits most helmets and is a universal helmet hard hat liner to give you good using feeling.- Effective protection from bumps, scrapes, and other heads injuries, this hard hat liner has excellent protection effect.- Breathable design, let you have a satisfying wearing feeling, adjustable and flexible, simple to use.- This hard hat liner is wonderful workmanship, simple to replace, suitable for various helmet use.