100% brand new and high quality. Features:Plant hydroponic nutrition kit soilless cultivation kit seedling hydroponic rockwool substrate plant nursery.The melt rock is spun into cotton candy-like fibers and then pressed into cubes.After high temperature treatment, it is non-toxic and sterile.The bulk density is small, the texture is light, and the porosity is large.Good air permeability, strong water absorption and good drainage performance.It is suitable for the cultivation and colonization of various plants.Ideal for soilless planting.Specification:Type: Hydroponics Mesh Cup Kit. Material: PlasticFeatures: Hydroponics Mesh Cup Kit, Slotted Mesh Bucket, Planting Grow Soil. Dimension: app.3.35x5x5cm/1.3x1.95x1.95inColor: Black, White (optional)Quantity: 1 Set. Note:1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. (Package includes: Choice 1: 26 Pcs x Hydroponics Cup, 30 Pcs x Seedling Block, 1 Pc x 10m Cotton Rope; Choice 2: 50 Pcs x Hydroponics Cup, 50 Pcs x Seedling Block, 1 Pc x 10m Cotton Rope.)