Amazon Prime Ziploc Professional Freezer Bags, For Food, Milk, Etc. Organization and Storage, Double Zipper, 2 Gallon, 100 Count U $78.00 = $49.39 ExpUnk

[Marvomatic]

https://www.amazon.com/dp/B01NCDWR8A?tag=phtwllt-20 1
I use these on my 1 Gal milks, the slime goes inside the bag. It keeps your racks clean!
Nothing smaller will fit!