This kind of soft film is made up of TPU + PET materials. With spider web structure, close absorption, any type of screen is seamlessly adapted to this soft film. What's more, the film can self-repair scratches, flexible and tough elastic polymer material protective your phone from scratches and explosion. TPU + PET materials, soft and durable Featuring anti-fingerprint, anti-dust, impact resistant function Self-repair scratch, the scratches will disappear after 48 hours, the longer the better of repair effect Back protective film protects phone backside from potential daily damages Compatible with Galaxy S21 5G Galaxy S21 4G Samsung Package included 1 x Back Protector Film Accessories only, phone not included Specifications Brand N/A Color As Shown Edges Arc Edges Packaging Type Crystal Box Screen Coverage Full Screen Complete Covering Screen Protector Feature Ultra Clear Screen Protector Material PET Screen Protector Type Back Gross Weight 0.020kg Volume Weight 0.012kg Package Length 18.000cm Package Width 10.000cm Package Height 0.300cm