Beginner Gardening: Propagation Containers, 1 by Prism

Prism wrote:
Weezingreens, do you have a WalMart near you?
I don't know if this is what you're looking for, but I got them at WalMart last year. They are really made to put the cell part in the open one like it is the nursery flat. But I put holes in the non-celled part & put them both in a nursery flat. You can get 6 of them in a regular flat. They came in a set of 2, 2 cell parts and 2 open parts. So 1 1/2 sets fit in a flat.

I'm sorry I can't remember how much they were.
I hope that makes any sense at all.
Here's a picture: