Reusable and , suitable for outdoor, can be used 2-3years. Use of high quality materials, , mesh size is moderate, very suitable for a variety of soilless cultivation equipment. Suit for seedling of celery, leeks and other , cucumbers, and other fruits or vegetables using. Top outer circular edge or block edge design, the basket can be placed in the pipe, it more steady. Sponge block cut openings for easy clip seedlings, nursery. Specification: Name: Soilless Hydroponic Nursery Cup Cup Size:35x45mm Sponge size: 30x30mm Function: Garden cultivation tools Application: Balcony Garden, Flower Garden Nursery Production etc Please Note: Used to fixed vegetable seedlings, protect vegetable seedling root. Colour: A black Material:plastic Package Contents: 50 * Planting basket Only the above package content, other products are not included. Note: Light reflection 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.