CHL now offers official PCSL K-Zone Targets
https://www.youtube.com/watch?v=PsJSOvE9nD8
Order here:
https://chltargets.com/pcsl-cb-k-zone-100-target-pack-free-shipping/
Targets are $99 for a 100 pack with shipping included. 5% discount if you purchase 1000 or more at a time.