DescriptionThis is a premium soilless planting sponge. Made of material, it is safe to use. Sprouting without soil or chemical additives. It can sprout multiple types of seeds. It can be widely used in greenhouse cultivation, vegetable planting base.Features- Color: White.- Material: Sponge.- Size 75mm: About 7.5 x 7.5 x 3cm.- Size 60mm: About 6 x 6 x 3cm.- Size 30mm: About 3 x 3 x 3cm.- Adopts soilless cultivation, which is clean and sanitary meanwhile can save space.- Sponge block recesses for easily clip seedlings.- Designed for fast, maximum-convenience vegetable gardening.- Easy to clean and corrosion resistant, the roots grow through the mesh fabric for better breathing and growth, gorgeous decoration in your garden.- Soilless cultivation equipment to provide seedlings to solid vegetables, the root vegetables used. for hydroponics plants and vegetable plants.