A puncture repair kit is a set of tools and materials designed to fix flat tires on vehicles like bicycles, cars, and motorcycles. These kits typically include items such as tire levers, patches, adhesive, and a pump or CO2 inflator. They are essential for anyone who wants to handle minor tire issues without needing professional help. Using a puncture repair kit can save time and money by allowing users to quickly repair a flat tire on the spot. Most kits are compact and portable, making them easy to store in a vehicle or carry on a bike ride. Regularly checking and maintaining a puncture repair kit ensures readiness for unexpected tire problems.