Coco Peat Blocks: Block Dimension : 30 X 30 X 10 cm (+/- 2cm), Block Weight : 5 kgs (+/- 2 %), Compression Ratio : 5: 01, Electrical Conductivity : Less than 0.6, PH : 5.5 - 7.0, Water Holding Capacity: 750-900, Moisture % : 10-15%, Should you have any doubts on their pls don't hesitate to contacting us.