Compressed coir bricks available in boxes of 24. The average weight is 650 grams per block; each block expands to approximately 8 litres when soaked in water. Coir is ideal for seeds and cuttings. It can be used as a base for homemade composts or added to aerate garden waste composts. Coir is known by many different names including coco, coco coir, cocopeat, coco peat, coir fibre, coconut husks and coconut fibre