Here's a link to the ones at Sams:
https://www.samsclub.com/p/cambro-bus-box-2pk-storage/prod22321945?xid=plp_product_19

Here's a random one from Amazon:


I can't find it at Costco online, but I've seen them there. It's crazy how useful they are for all sorts of random tasks around the home. I called the company that made mine and confirmed they were food grade. I use them for honey, I just used it for bulk raise of a large batch of sourdough bread.