【Innovative Transplant Design】: The seed starter trays are made from high quality PP & PET materials and the flexible silicone bottoms make removal a breeze. When the plants are ready to be transplanted you just press the green silicone bottom and the plant pops out easily,no more twisting and fighting and destroying delicate plants and root systems. Innovative transplant design make your transplant work easier !【Upgraded Design For Seedling Tray】: The elaborate design of "Smile"drain hole at the bottom to drain excess water, promote growth and prevent root damage caused by over-watering. Moreover, the seed starter tray with excellent high temperature resistance, they are strong enough to be used on a heat mat or under the sun and no-worry melting.【Reusable & Sturdy】: Our Seed Starter Kit made of outstanding thickened new plastic, which is stronger, tear resistance,less deformable and they can help to improve the survival rate of transplanted seedlings. And seed starting trays are very easy to clean, the recyclable material is durable enough to reuse for years no matter indoors or outdoors. These seedling trays can be separated and stacked for easier storage when not in use.【Adjustable Humidity Design】: Our Humidity domes have a adjustable circular vents. Rotate the ventilation dial to control the internal humidity in the range of 0%-100% to accommodate different stages of seed to seedling growth. The ventilation holes are good for the rapid growth of plants and fully controls the germination process.【Easy To Use & Wide Applications】：Using a germination tray for sowing is convenient for centralized management saves time and energy and it’s simple to operate. These seedling starter trays are the ideal size for growing a variety of plant seedlings. And it is also a great option for a large variety of plants such as flowers, vegetables, fruits, tomatoes, and other plants. Helping you create your best garden yet !