Features: [Easy to Transplant] This 1.5 inch square Rock wool cube is the ideal size for seed germination and seedlings, holds its shape well without falling apart and is easy to transplant. The rock wool comes in blocks with planting holes in the centre for immediate use. We pre-cut between each rock wool plug so you can cut it with scissors [Even Drainage] These net pots for hydroponics have holes in the bottom for even drainage, which cultivates a healthy root system and allows the roots to grow on their own [Absorbent] Our rock wool planting cubes are made from high quality basalt inorganic fibres and compressed into blocks through a proprietary process. It has a soft, uniform texture, good water absorption and breathability, making it ideal for soilless cultivation [Multi-purpose] The package contains 72 rock wool, 72 planting cups, 30 labels and 10 metres of cotton rope. It can help you to do soil-less cultivation well, not only can it greatly reduce the loss of water and fertiliser and volatility in traditional soil cultivation, but also cultivate on roofs, balconies, corridors and walls without any limitation of sites Specification: Product name: Rock wool Cubes for Hydroponics Product material: plastic + basalt inorganic fibre Product size: single rock wool cubes: 1.57 x 1.2inch Planting Cups: height 1.9inch Package included: 72 x Rock wool 72 x Planting Cups 30 x Labels 10 Metres of Cotton Rope