Features: * made of high quality material * made from molten rock spun into marshmallow fibers then compressed into cubes. * After high temperature treatment it is and sterile. * Small bulk density light texture large porosity. * Good air permeability strong water absorption and good drainage. * Suitable for growing and establishing all types of plants. * Excellent for soilless cultivation. Specification: * material: cotton * color: as picture shown * size: 25*25*25mm 30*30*40mm 40*40*40mm package included optional : a:50pcs 25*25*25mm b:36pcs 30*30*40mm c:21pcs 40*40*40mm note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.
Features: * made of high quality material * made from molten rock spun into marshmallow fibers then compressed into cubes. * After high temperature treatment...show more