Ride-On Children's Bicycle Tire Repair Agent Prevent flat tires with the Ride-On anti-puncture formula. Bike-On is a quality sealant that provides preventive protection against flat tires. It automatically seals holes in your tires caused by nails, thorns, glass and other sharp objects up to three millimeters in diameter. One application is sufficient for three years of protection. Specifications: Color: transparent Gender: unisex Material: plastic Contents: 100 ml Dosage per tire: 100 ml Contents: 2 Bottles of tire repair agent