for easier removal of net pot with attached . Each net pot has lip on top edge, which is convenient to pipe planting Net pot with holes in the bottom of these cups produce healthy with even drainage, which let the grow their own way, right down through the pot and out of the sides, allow for bigger, healthier Net cups suit for hydroponics, Easy to clean and resistant, used to fixed vegetable seedlings, protect vegetable seedling root. WIDELY APPLICATION - These baskets work with many types of media, such as hydroponics or soil-based, expanded clay , lava rocks, pumice, vermiculite, , etc. They can also be used as a small garden with soil. Perfect for aquaponics and hydroponic garden of orchids, , peppers and herbs, etc. Specifications: Dimension of each net pot: Upper mouth: Outer Diameter 70mm; Inner Diameter 48.5mm Height: 70mm colour:black Material:Plastic PP Package Contents: 50 * Hydroponics Slotted Mesh Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.