Item Type: Seedling Block_x000D_ Material: Peat + Compound Fertilizer + Non-Woven_x000D_ Weight: Approx. 125g / 4.4oz_x000D_ Water Absorption: 5%_x000D_ PH Value: 7_x000D_ Scope of Application: Seeds, Seedlings_x000D_ Particle Size: Approx. 30mm / 1.2in 1Selected high?quality peat + compound fertilizer + non?woven materials, natural and environmentally friendly. 2Breathable, water?retaining, and has excellent re?wetting properties, which is conducive to sowing and raising seedlings. 3The root system is easy to penetrate and develop well, suitable for planting vegetables and fruits. 4High compression ratio, small in size, light in weight, easy to use and carry, perfect for planting. 5Nursery soil blocks are widely used in gardens, balconies, greenhouses, agriculture, etc.20 x Seedling Block1. Please allow 0?1 inch error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard._x000D_ 3. Pressed by hand, the shape is slightly uneven.