Good permeability: these net cups are designed with slotted mesh, can a more efficient plant growth through aeration Growing by own way: net pot with holes in the bottom, healthy with even drainage, which let the grow their own way, right down through the pot or out of the sides, allow for bigger, healthier Comfortably sized lip along the top makes the hydroponic cups easy to grab, lift and transport. The allow for bigger, healthier and make the baskets easier to clean. Wide range of applications: the orchids hydroponic containers casket can be applied for aquaponic and hydroponic gardening of orchids, tomato, peppers and more, suitable for family garden, balcony garden, soilless cultivation, liquid and cultivation Designed for hydroponic plant: the wide lip round net pot can wok with kinds of soil based and hydroponic media, such as expanded clay , lava rocks, pumice, rock , etc., will find their way through on the sides and bottom of cup Colour:Black Material:Plastic Size:Upper mouth: Outer Diameter 50mm; Inner Diameter 38.5mm Height: 50mm Package Contents: 100 x Garden net pots Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.