Raised Garden LinersThe backing prevents direct contact between the soil and the board, making cleanup easier The interlining can prevent the loss of water and nutrients. | Drainage HolesDrainage holes effectively balance the moisture in the soil and increase breathability, Maintains ventilation and drainage, and facilitate roots development and function, allowing your plants to grow better. | Alternative to Traditional WoodCompared with traditional wood, polystyrene has stronger hardness and better plasticity, waterproof, can be used in all kinds of weather, will not rot, mold, and can be used for a long time. It can replace wood. |