Description : Item Name: Car Window Visor Material: PC (Polycarbonate) Tools-free easy installation; 3M adhesive tape attached. Features: Superb base material, stable, robust, bendable; Stable performance within -50’C to +120’C; Upgraded 3mm robust make; Excellent transparency free from blur view at any turn, smart from outside, safe from inside; Better ventilation through aerodynamic improvement; Tight installation with high quality 3M adhesive; Additional hooks securing firm installation. Reminder: No installation manual will come with the products due to the following easy steps. Installation method: Step 1: Clean the area of the car to be applied, with 50% alcohol when necessary; Step 2: Remove the cover of the 3M adhesive tape; Step 3: Warm up the adhesive with tools, a hair drier, for instance; Step 4: Apply the products to the right place; avoid washing or any other rough treatment within 48 hours.