Expanded Perlite / Vermiculite1. It's good at breath freely, for its beehive like fabric;2. Strong ability of keeping water and fertilizer;3. Being porous, it can be used as carrier of fertilizer, moisture and pesticide;4. It's a good material of non-soil growth.We can also supply Zeolite, Pumice, Magnesian Lime, Hydrated Lime, Organic Lime, Plant ash, Peat moss, Ceramic, Charcoal Ball, Rotten Leaves, Maifanshi, Cat Litter, feldspar, dolomite, argil, calcite, silica stone etc.