49/98/196X 40mmx40mm Grow Starter Cubes Plug Hydroponic Grow Media Cloning CubesSpecification: Size: about 40x40x40mm Material: rock wool Color: green Instructions: Preparing and planting in rock cubes. Soak in water for 2 minutes. Take out from the water and place for about 15minutes. Put seeds into the hole of cubes. Spray water after seed inserted. Place it in a seed tray. Package included??? 49 98 196 pcs Rockwool Cubes Notes: Due to the light and screen setting difference, the item's colour may be slightly difference from