It has adopted PET material of latest generation from Japan in accordance with international test standard as ASTM. The surface procedure has been specially treated for protection from scratch and long solidities up to 4 hours, overall protect the screen. Dustproof, waterproof, anti strong light and UV characters keep LCD screen from damages. Glue liquid as silicon resin compound which easily stick. It adopts dustproof procedure of centre computer control, which suit for usage of LCD screen into other fields. It is resistant to finger-print or erosion. It is easy to remove without residual & mark. It is a crystal transparent LCD screen safeguard and durable in use. Compatible with Sony Ericsson K790/K800.