The material is PVC. The size is 1cm per square, please use this as a reference. Please be aware that there may be scratches, creases, or other imperfections before considering your purchase. Use it on smartphones, phone cases, iPhones, computers, PCs, laptops, musical instruments, cups, motorcycles, helmets, cars, outdoor gear, bicycles, carry-on cases, travel goods, skateboards, gaming devices, for point redemption, guitars, etc., according to your needs. Please feel free to contact us if you have any questions.