Durability of Command strip hooks and hangers?

I've had them up for 9 years since I bought the trailer, so they've survived multiple 100 degree plus days. Hang the clock the weather center and dog leashes. The weather center is probably the heaviest at 2 or 3 lbs. Also have a couple of those Command plastic bins near the bed for reading glasses and cell phones. We do take down the clock & weather center and empty the bins for travel.