UV PROTECTION This improved version of our Car Sun Shade has been tested and can block UV rays better (UPF 55+), so the temperature in the car remains pleasant and children traveling with it fitted can enjoy a carefree journey and not be exposed to direct heat from the sunlight. .SELF-ADHESIVE SUN VISOR-The window shade is self-adhesive and easy to attach to the window. The surface is self-adhesive due to electrostatic charging and can be attached to a side window without suction cups. The innovative car windscreen shade leaves no residue on the window after removal from the window .SAFE AND ENVIRONMENTALLY FRIENDLY MATERIALS - Material: 85g nylon mesh, 15s static film, steel frame.These materials produce very little , if any, toxic substances thus protecting children's health. .STORAGE BAG- You get a complete car sun protection kit consisting of two car windscreen shades and a practical storage bag. Extremely suitable for everyday use, if you want to travel by bus or train, you simply put the car sun shades for kids in the storage bag and take it with you. .OPTIMUM DIMENSIONS - The two car window shades each measuring 51cm x 31cm, are the perfect size and fit most cars. It will not obstruct the driver's view .