["brand new and high quality\nFeatures:\nMade from rock wool, great for Rooting Cuttings clone plants, germination start and more. \nEncourages faster initial rooting and its firmness is guaranteed.\nProvides 20% Air Space When Saturated: Absorbs nutrient solution while retaining plenty of oxygen for rapid root growth!\nEASY TO TRANSPLANTS: Much easier than starting in soil! Predrilled planting holes make and plants propagation a breeze. Great for hobby and commecial growers.\nSize: app.0.98x0.98x1.57in, great-sized to fit a standard flat growing tray.\nWIDE APPLICATION: These rock wool starter plugs are widely used in hydroponic, starting, cuttings, plants propagation and so on. Much easier than starting in soil! They are great for gardening hobby and commercial growers.\nRock Wool Grow Cubes only,other accessories demo in the picture is not included!\n\nSpecification:\nMaterial: Rock Wool\nSize: app.2.5x2.5x4cm/0.98x0.98x1.57in\nColor: As the pictures shown\nQuantity: 50 Pcs/Set\n\nNote:\nNo retail package.\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage Contents:\n50 Pcs/Set x Rock Wool Grow Cubes"]