Biodegradable material: The material of the pulp tray is paper and charcoal It contains plant fibers such as nitrogen, phosphorus, and potassium, which are easily degraded and can be transformed into organic fertilizer. Features: After the seed tray is degraded, it becomes organic fertilizer, and this layer of degradation material is easy to absorb water, has good air permeability, and is easy to integrate with the soil, which improves the ecological environment around the seedling root and is beneficial to the growth of the seedlings Suitable for beginners: Suitable for beginners to plant seedlings, without manually removing the seedling soil from the cup, it can be planted directly without damaging the seedlings, which can be used for indoor or outdoor planting Seed tray for spring, summer, autumn, and winter. Multi-purpose: very suitable for seeds, vegetables, plants, flowers, and seedlings Seedling roots can easily extend out of the pot, overcoming the problems of interlocking roots, twisted roots, bent roots, and rotten roots caused by plastic pots..