【Press Type Silicone Bottom Design】The silicone bottom can be slightly pushed inward or flexibly deformed . Press gently to push out the soil ball completely . This design greatly reduces the transplantation stress response and improves the survival rate of seedlings 【High Quality Material】The seedling pot is made of PET , with uniform wall thickness , compression and crack resistance , sturdiness and no yellowing or deformation after long term use . The bottom is designed with soft and high elastic silica gel , which not only enhances the overall structural strength but also allows easy pressing and demolding during transplantation to protect young roots from damage . The transparent side wall facilitates observing the root growth status and soil moisture at any time , helping to scientifically grasp the repotting time 【Reusable】This product can be reused after cleaning , with strong weather resistance . The 30 pot combination set not only reduces plastic waste but also saves expenses for gardening activities and lowers long term planting costs 【Standard Size and Scientific Drainage System】The pot mouth diameter is about 3.94 inches 10cm , height about 3.35 inches 8.5cm , with moderate capacity . Suitable for seed germination , cutting rooting , succulent leaf insertion and initial cultivation of small flowers such as African violets , kalanchoe and herb seedlings . The bottom is equipped with multiple drainage holes , matched with the diversion grooves of the silica gel bottom to effectively avoid water accumulation and maintain proper soil ventilation 【Widely Applicable in Multiple Scenarios】It can be used for seed starting and seedling maintenance on windowsills , balconies and greenhouses . It is also suitable as a transition container for succulent arrangements , micro landscapes and hydroponics to soil culture conversion