🌞【Grid embo treatment】 allows for air flow attachable for a limitless number of times 🌞【Block sunlight, UV】 UV block test proves 98.80% block of UV rays, and Sun block function. 🌞【Non toxic tested】 lead(Pb), Cadmium(Cd), Hydrargyrum(Hg), 6 hexavalent chromium(Cr5+), non toxic test proves toxic substance is free and safe 🌞【High tensile force】 added plasticizer in PVC made high tensile force. it never get ripped off and if size want to be adjusted, user can cut as wanted. 🌞【High restitution】 sticks well and spreads well after fold or wrinkled and it will form back to a clean surface after putting it on