Bosmere F489 Compressed Coco Brick, 11-Pound Coir is a natural product from the coconut fruit and is a renewable resource Coir is light, airy and retains moisture An economic and quality alternative to peat Made in Sri Lanka where the coconut trees grow This 11-pound brick expands to make about 17 dry gallons of lightweight potting material Coir is a natural product from the coconut fruit and is a renewable resource An economic and quality alternative to peat Made in Sri Lanka where the coconut trees grow This 11-pound brick expands to make about 17 dry gallons of lightweight potting material