Fish Pond -Soilless Transplanted Sponge Highlights Generic Brand Soilless Transplanted Sponge Description: Soilless Hydroponic Sponges Transplanted Growing System Gardening Tools. Provides you with long-lasting moisture, you only need to water the nutrient solution regularly and you can grow green vegetables without adding soil. Soilless cultivation: 1. No dirt, clean and hygienic. 2. Strong growth and superior performance. 3. Three-dimensional planting, space saving. Widely used for greenhouse cultivation, modern agriculture, artificial breeding, vegetable planting base. Sponge polyester, you can cut it to any length you want. Specification: Material: Polyester Sponge Size(approx): Diameter: 45mm/1.77inch. Thickness: 20mm / 0.78inch. The color black Quantity: 50pcs Package includes: 50 pieces of planted sponges Note: Please understand due to the light and screen difference, the item's color may be slightly different from the pictures . Please allow slight differences due to manual measurement. Thank you for your understanding and have a nice shopping day!