MADE FROM VERMICULITE, BY SAME WAY WITH PERLITE
1. HELPING PLANTS BREATH FREELY, BY ITS BEEHIVE LIKE GABRIC.
2. STRONG ABILITY OF KEEPING WATER AND FERTILIZER.
3. BEING POROUS, IT CAN BE USED AS CARRIER OF FERTILIZER, MOISTURE AND PESTICIDE.
4. IT IS A GOOD MATERIAL OF NON-SOIL GROWTH...