2 Packs Premium Clear LCD Screen Protector with Clean Cloth + Light Blue Fishbone Style Keychain For Sony Walkman S Series Video MP3 Player (NWZ S540, NWZ S544 and NWZ S545) Protect screen against scratches, scraping, and abrasion Made of 100% clear plastic, resistant to erosion, fingerprint, and residue Easy to apply over screen, self-adhesive, no messy glue needed. Easy to remove, leaves no haziness or bubbles