GD plug is suitable for seedling cultivation of vegetables, flowers, trees, tobacco, etc. It is made of PS (polystyrene) material, non-toxic and environmentally friendly, with good breathability. It has been modified with a unique formula, strong flexibility, and durability. The design of the root guide groove on the inner wall of the hole is more conducive to the vertical growth of plants and prevents entanglement. 2. The upper opening of the plug is designed with a water outlet to ensure the flow of water between different plug holes and promote neat plant growth. 3. Unique surface breathable hole design allows air circulation above and below the plug, keeping the leaves dry and reducing the possibility of disease occurrence. The bottom is equipped with strip-shaped permeable holes, providing a good breathable environment for the root system and preventing root rot