About this item BUY MORE FOR LESS: 500 ml of Proje Ceramic Coating for half the price of most 50ml bottles UP TO 12-MONTH PROTECTION: This water-resistant nano SiO2 ceramic coating creates a glass-like shield to protect your vehicle for up to a year against harmful UVA/UVB rays and other elements, including weather erosion, bird droppings, pollen and more. CUT CAR WASH TIME TO 5 MINUTES: This auto product will dramatically reduce how much time and energy you spend maintaining the appearance of your car by making elements like dirt and grime fall right off. More protection equals less washing required. SMOOTH & QUICK APPLICATION: This product applies easily and smoothly, and is formulated for ease of use. The coating only needs to be left on for 1 to 2 minutes for full protection.