Made from coconut fibre, these Plates are environmentally friendly alternative to peat based containers. coir plates are available in various sizes, widely used as seed germination plates these are also designed in square or round from for hanging plates use. Coconut fibre has become a favoured grow medium also because it prevents nutrients from leaching away. It is a natural fibre extracted from the husk of coconut and used in products such as floor mats, doormats, brushes and mattresses. Coir is the fibrous material found between the hard, internal shell and the outer coat of a coconut.