16 × 15 Inch Grow Bag – Local Pack:Pack of 10 offers crisp bulbs and fresh decor offers crisp bulbs and fresh leaves that can be harvested for salads Ingredient Purpose in the mixture Perlite Creates air spaces and keeps the mixture light Pumice Improves drainage and maintains long term structure Charcoal Adds porosity to the root area Coco chunks Hold some moisture while keeping the mixture open Roasted rice husk Helps lighten the mixture Vermicompost Provides a mild source of organic nutrition Fungicide Included as part of the prepared mixture Suitable Plants this grow bag supports optimal moisture retention while allowing excess water to escape breathable fabric