Anyone know how long these "ultra suede" backplates will last?

[stcizzle]

Anyone know how long the material on these ElementCase ultra suede backplates will stay in good condition assuming daily use but no abuse?

 

[DougNg]

My wife has been using hers since Oct 14th. No visible wear. I like them a lot, feels nice in the hand, but I've got a Lucky Labs carbon fiber sticker on right now because it looks really cool