If you are really really tight on budget, check out Invellop’s $1 screen protector.
High quality Crystal Clear Screen Protector for iPad Air 5th Generation
Precise cut for best fit and easy installation (also with a cut out for the front camera)
Hard coated: scratch and scuff resistant
Static cling adhesion: Will not leave sticky residue when removed
Includes: 3 high quality iPad Air Crystal Clear screen protectors, squeegee, cleaning cloth, instructions
Included in package:
— 3 Crystal Clear screen protectors
— Squeegee
— Cleaning cloth
— Instructions
Features:
— Essentially invisible
— Dust and fingerprint proofed
— designed for ultra-clear transparency
— Hard-coated against scratches and scuffs
— Will not interfere with most iPad Air cases
— Precisely cut for perfect fitting
— Application instructions and cleaning tools included
— The ultimate protection solution for your iPad Air
Buy here for just $0.5.