... Vandaproof touch screen (12.1" SAW ) provide excellent impact-proof, vanda-proof performance, and special be used in public Vandaproof touch screen ( ... uses 4mm,6mm tempered glass,which provide excellent impact-proof,vanda-proof performance, and could be used in public environments where ... Even if a touch screen is broken,the fragments are safe with no sharp edges.*With tempered 6mm thickness glass, ...