I don't have the brando, but I would think they'd last forever. You can remove them and clean them, and they're pretty durable from what I can tell. I put them through some rigorous testing after I put mine in, and no scratches, and I tried fairly hard.
I could ruin it and my ds with a nail, but as far as I can tell, under play conditions, they'll last as long as you need them. It's just as guess though, but like I said, they seem pretty damn hardy.
I could ruin it and my ds with a nail, but as far as I can tell, under play conditions, they'll last as long as you need them. It's just as guess though, but like I said, they seem pretty damn hardy.