Feature:1. Excellent Rooting Environment: Excellent air to water ratio,contains general hydroponic micronutrients,which are activated after soaking in water and provides a good rooting environment for the seeds.2. High Quality: The seedlings cultivated by this product's seedling technology have the characteristics of no root curling, no slow seedling stage, high survival rate, good seedling quality and strong resistance to stress, etc.3. Efficiency: Once a seedling is in the ground, the callus that touches the soil immediately absorbs water and produces a large number of new roots.4. Good Performance: The replacement root growth plug have good characteristics of air permeability, water permeability and self penetrating root system.5. Wide Applciation: The growth plugs can be widely used in seeds and seedlings of fruits, vegetables, flowers, medicinal materials, forest and other crops, tissue culture seedling, cutting seedling.Specification:Item Type: Growth PlugsMaterial: Bamboo CharcoalWeigth: Approx. 267g/9.4ozSize: Approx. 30x30x40mm / 1.2x1.2x1.6in Scope of Application: For Plant, Flower Sowing, Hydroponic Seedling, Cutting..Package List:50 xGrowth Plugs