I’d say it was maybe 6 months? Mine was a bright-ish teal color too so it started to look bad fairly quickly. Unfortunately the cheap silicone ones do last longer for me. But you really can’t beat the level of customization you can do on your own print. I’d wager you can probably get a lot longer out of it if you did a black or darker color filament.
Just wait until they secretly replace the trained human safety operator with this: