They went on easy and are at least as thick as the OEM so they should last. They are actually better looking than the longer OEM flaps. However, I think I would have preferred they looked exactly as the OEM as I only replaced the front flaps which my daughter broke.

Our dog loves it. I was wary about something that you just spread on the dogs teeth, but this stuff works great. We tried brushing her teeth before, but all she did was fight us, so that never worked out at all. Once we get our fingers in her mouth with this stuff, she relaxes vbecasue she likes the taste. If you not sure about this, give it a shot because it is not that expensive