Our windshield repair kit contains UV glue. It can be used to repair cracks on the glass， such as spider webs， star damage， long cracks， scratches， etc. The curing process is fast， saving waiting time， and is suitable for emergency handling of glass cracks. The usage method is very simple: 1. Take an appropriate amount of this product and drip it onto the damaged area， then apply a thin film on it; 2. Gently scrape off the bubbles on the film with a knife; 3. Move the vehicle to a place exposed to direct sunlight for 10-30 minutes; 4. After removing the film， use a knife to scrape off the remaining liquid on the glass. Minor damages can be quickly and effectively repaired within 20-30 minutes， with good repair results and great convenience. It has waterproof effect， protecting your glass well even in the face of wind and sun! Please kindly note:🚚 Fast ShippingThis product ships from our U.S. warehouse via UPS (FedEx as backup). We aim to deliver your order quickly and reliably. 📦 No Return AcceptedThis is a single-use consumable product. Once opened and applied, it cannot be returned, reused, or restocked. Therefore, we do not accept returns under any circumstances. 🔍 Order CarefullyPlease read the product description thoroughly before purchase. Make sure it fits your intended use. We recommend placing orders cautiously. 💰 Promotional OfferThis product is currently on promotion at near cost price, with special deals for bulk purchases. Please check the promotion details on the listing page to save more.