[MATERIAL]: It is made of cotton like fiber spun from molten rock. It is soft and does not hinder the growth of seeds or seedlings;
[SIZE]: 1.5" x 1.5" x 1.5"x 49 squares；2 PCS/PAK;
[EASY TO PLANT]: There are small holes in the center of each independent small square on the surface, which is convenient to put seeds or seedlings directly. Gently pinch around can wrap the bottom of seeds or seedlings to ensure normal growth;
[RAPID GROWTH]: Rock wool is easy to penetrate, has a huge capacity to absorb nutrient solution, but also maintain good ventilation and water retention performance, loose space to retain enough oxygen, so as to promote the rapid growth of plants;
[APPLICATION]: It is suitable for factory production of vegetables, fruits and flowers. Combined with modern technology such as drip irrigation, the growth rate of crops can be greatly improved.