You can also send them back in to get re-webbed (re-certified). It is a bit cheaper than buying new belts (about 45 bucks if I remember correctly)....but I think they only let you re-web belts 3 times. The last time I sent my belts in they stamped it with a "LAST RE-WEB", so I had to buy new belts again this last year.........and now I have yet another perfectly good set of seat belts that are "no good" according to NHRA :bs: