Features 1、The system produces high quality and high yields vegetables, melons or berries, etc 2、Adopts soilless cultivation, which is clean and sanitary meanwhile can save space 3、Can be widely used in greenhouse cultivation, vegetable planting base 4、Designed for fast, maximum-convenience vegetable gardening 5、Comes with 50pcs sponges per bag. 3 sizes are available Specifications Description: This hydroponic sponge is designed for fast, maximum-convenience vegetable gardening. It adopts soilless cultivation, which is clean and sanitary meanwhile can save space. This nursery sponge can be widely used in greenhouse cultivation, vegetable planting base. Features: 1. The system produces high quality and high yields vegetables, melons or berries, etc. 2. Adopts soilless cultivation, which is clean and sanitary meanwhile can save space. 3. Can be widely used in greenhouse cultivation, vegetable planting base. 4. Designed for fast, maximum-convenience vegetable gardening. 5. Comes with 50pcs sponges per bag. 3 sizes are available. Specifications: Condition: 100% Brand New Material: Sponge Color: White Hight: approx. 30mm / 1.2" Diameter: approx. 50mm / 2.0", 44mm / 1.7", 32mm / 1.3"(Optional) Package Weight: approx. 40~78g Quantity: 1 x 50pcs/ bag Package Included: 1 x 50pcs/Bag Sponges Package List