Not to veer off topic, but I don't know what other thread you guys are talking about...so I'll put this here.
I use these labels...they are freezer labels so they are waterproof and weatherproof... I print them with an inkjet, but you can handwrite them, too, of course. And they won't run if the pheros go down the side.
https://www.amazon.com/gp/product/B017MOT3T0/ref=oh_aui_search_asin_title?ie=UTF8&psc=1