Amazon has the 16oz Nanoskin Ultra Line SUPER CHARGER SiO2 Spray-On/Rinse-Off Sealant for Cars, Trucks, Motorcycles on sale for $5.99 with free shipping on $35+ or with Prime (extra 5% off with 5+ S&S orders). Water activated spray-on/rinse-off protection sealant that provides effective UV protection and water repellent properties.