Simple step-by-step process and a 30 minute curing time. Pressurising applicator penetrates deep inside chips and cracks to give an almost invisible repair. Tough resin formula fills damaged area to prevent from spreading, avoiding costly windscreen replacement. Suitable for screen chips up to 25mm diameter and cracks up to 300mm long. Curing process can be sped up by using a UV lamp (not included). Improves visibility and safety.