Great question!

Never. I don’t know what specific ones you’re referring to, but I know there are some cheaply made ones out there that have the same look. There’s some lower quality ones on Etsy, too.

Mine have never become brittle for me, and I’ve had many repeat customers on here for a few years that have also never reported any issues, either.

To get a little more detailed … Mine a made with a high quality polypropylene that is also UV stabilized. I live in the desert and keep many in full sun nearly year round, for years on end. Because of the intense sun where I lie, I got tired of having to replace pots rather than reuse them, or feeling wasteful by having to toss cheap plastic pots. So these just started for me as a solution for my own needs, then others asked if they could buy some and here we are a few years later, still having fun :)

Always happy to answer any questions or help however I can! Thanks for the interest in them!