This is an ideal product for hobby growers. Thanks to the thick fabric used for the product, 30% more yield once vegetables of yams are grown. Can supply from 1liter to 100 liter capacities The main advantages of growing in Fabric Grow bags for Hobby Growers: 1) Right round breatheble bag wall help excess water to drain out and receive sufficient air for healthy root growth. 2) Outside heat is blocked from getting transferred to the soil where as in conventional plastic pots work the otherway. 3) Extra strong material used with Extended durability. Products are expected to last formore than 10 years obove ground.