polyurethane sponge cultivation planting sponge agriculture artificial breeding practical seedling sponge soilless cultured, Blue;orange

description: color: white material: polyurethane sponge size: 23*25*2.5cm quantity:100pcs notice: 1.please allow 1-3.0mm error due to manual measurement. pls make sure you do not mind before your purchase. 2.the colors may have different as the difference display,pls understand. 3.please leaving a message before you give the bad feedback, if the products have some problems. nursery sponges provide you with long-lasting moisture only need to water the nutrient solution regularly, you...