Good permeability: these net cups feature slotted mesh design to promote efficient plant growth through aeration. Natural root development: the net pots have holes in the bottom to encourage healthy root growth with even drainage, allowing roots to grow downward or outward for larger, stronger root systems. Ergonomic design: the comfortably sized lip on the top makes the hydroponic cups easy to handle, lift, and transport. The slits support robust root development and make cleaning easier. Versatile application: suitable for hydroponic and aquaponic gardening of orchids, tomatoes, peppers, and other plants. Ideal for home gardens, balcony gardens, soilless cultivation, liquid culture, and organic growing methods. Compatible with various media: designed for use with hydroponic and soil-based growing media such as expanded clay pebbles, lava rocks, pumice, and rock wool. Roots easily penetrate through the slits on the sides and bottom of the cup. Color: Black Material: Plastic Size: Upper mouth: Outer Diameter 45mm; Inner Diameter 31.5mm; Height: 45mm Package Contents: 100 x Garden net pots Note: Light shooting and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.