Buy from Amazon : http://www.amazon.com/gp/product/B0035LHUR2?tag=scratchandsti-20
Potato Grow Bags Made of Double Layered Felt Like Fabric. 18 Inches in Diameter 14 Inches High.
Size 18 Inches Diameter x 14 inches high Two 2 in package
Felt like fabric material for aeration of potato plants
Bag holds 15 gallon of soil or 60 quarts
Porous fabric allows excess water to drain and roots to breathe
Plant up to 5 Seedlings in this lightweight Fabric Bag