Karam PN 501 Yellow Safety Helmet With Plastic Cradle (Pack of 5 Pcs) - It is made up of specially formulated polymer with triple corrugation for extra strength. The side slots are there for adjusting size, adding hearing protection accessories and fixing the adjustable chin strap. The manual adjustment option makes the safety helmet suitable for many head sizes. It comes with a headband made of non-irritant, soft fabric to provide better comfort and user experience. The four-point attachment cradle system within the shell has a unique angular placement that provides optimum shock absorption. Karam PN 501 Safety Helmet is mainly used at construction sites.