For those curious. The lids fit on the $15 64oz bubba growlers from WalMart. : r/Cirkul
Bubba 64 Oz. Stainless Steel Vacuum Insulated Growler, Very Berry Blue - Walmart.com
Bubba Radiant Stainless Steel Growler, 64oz Vacuum-Insulated Rubberized Water Bottle with Leak-Proof Lid and Handle, Keeps Drinks Cold up to 12 Hours, Cobalt : Home & Kitchen - Amazon.com