$29.95 at microsoft store - wouldn't pay more than $5
Overview All-day clarity
Keep your screens clean and free from grease and dirt with SPRAY Twice a Day screen cleaner. Powerful and water-based, it's free from perfumes, ammonia, alcohol, parabens and other harsh ingredients known to wear down the olephobic layer of your phone screen. Plus, it's compatible with all mobile devices, screens and even glasses, so all of your surfaces stay clean and clear with just one spray.
Size: Includes one 100 ml bottle and one 8 ml bottle