try go down to this place called best cam @ penninsular plaza opp cathay, ask for their lcd protector/cleaning kit..
i bought it at $5, got 3 pieces of lcd protector, can cut watever size u wan, each piece about 8cm by 10cm.. make sure got 3 pieces inside. last time they try to sell me the outer most package, i noticed only got 1 piece, then quietly changed for the 2nd package
the protector holds up quite good.. withstands alot of scratches etc so far, never break come off, or kena dog ear.
currently cut to protect my phone, my dslr, 2 of my hp screens, my friend's camera etc..