The Holts Tyre Weld and Emergency Puncture Repair in a large 500ml size is a high-quality sealant designed to quickly and effectively repair tyres. Made by the trusted brand Holts in the United Kingdom, this product is perfect for emergency situations where a puncture occurs while on the road. With a quantity of 3 units, you can rest assured that you will always have a solution on hand for any unexpected tyre issues. This sealant is a must-have for any garage or vehicle maintenance kit.