Seed trays are made of food grade plastic material, BPA free, safe and durable, non-toxic and odourless, reusable, not easy to deform or break, the seedling trays with lids are easy to clean, rinse them directly with water to get a very clean and brand new seedling tray. The internal humidity and temperature can be easily adjusted by rotating the regulator of the seed trays to suit different stages of growth from seed to seedling. The ventilation holes in the seed tray facilitate rapid plant growth and allow full control of the germination process. Seedling trays are reusable and made of high-quality silicone and thick, sturdy plastic material, which is stronger, tear-resistant and less likely to break. After transplanting, the seed trays are easy to clean and can be reused or stored to continue using the seed trays with lids for the next growing season. The seed tray comes with a transparent lid so you can keep an eye on your plants without disturbing their growth. The Incubation Tray facilitates that you can easily monitor the growth and development of your plants without disturbing their natural environment. Our seed tray with lids are suitable for small seeds such as flowers, vegetables, fruits, tomatoes and other plants. seed trays with lids are perfect for home growing and can be an enjoyable and fun experience for the whole family.