Very thick and I'm sure they will last a good few seasons.
These aren't Fiskars but they are pretty good.
Everything I have ever gotten from Fox Farm has been top notch...everything.
My garden has been doing AMAZING since I started using it. Seed starter is great also.
Garden Supply Guys have a great selection of Bootstrap Farmer trays and inserts in various sizes and for various needs. I got trays and inserts for 4”and 5” pots in order to water more easily and secure the plants from tipping over so easily. They work great and were at a great price! Ordering online was easy, wuick and my supplies arrived within a couple weeks. I have ordered from them two times and will again in the future! Great customer service as they answered my questions quickly by email.