Sky blue is made of UPPF’s exclusive PLATICOAT™ Nano coating, with 8 mil thickness. Color ppf has several advantages including water stain-resistant, anti-yellowing, self-Healing and anti-contamination. These advantages help color ppf has extremely hydrophobic property, and can resist stains UPPF can resist the effects of turning yellow. Besides, UPPF with self repairing performance protects your original car paint, and has the best anti-fouling performance to protect your car from stubborn stains. Make the car as bright and shining as brand-new.