These are products I use in my breeding program

ID Tags from Crumb.

These tags allow the dogs to be identified by anyone with a phone. The tag has a QR code with all your information. Order the tags here: I https://crumb.pet/en-us/

FX Movable Fencing.

This fencing is so easy to use and easy to store. They are very competitive on pricing, and the product holds up well. Order the movable fencing here: https://fxw.life/