High Lid: The height of the lid has been increased to provide ample space for flowers, vegetables, fruits, herbs, and other plants to grow. It is not only suitable for seed germination but also for germinating plant cuttings. Tender plants can stay in the seed starter tray for a longer time. 0.8mm Thick Material: Compared with other 0.5mm plastic materials, our seedling trays use 0.8mm PVC material to be reusable, durable, and not easily broken. (Note: Please avoid prolonged exposure to temperatures above 48°C). Unique Design: The adjustable window allows you to adjust the interior humidity from 50% to 100% to meet your needs. Transparent seeds allow you to keep an eye on the growth. Drainage holes at the bottom for better drainage. So you have complete control over the growing process. Perfect Size for Seed Starting: Each cell measures 3.7x3.7x5.5cm, 120 cells in total, suitable for small seeds, such as flowers, vegetables, fruits, tobacco and other plants. The mini greenhouse is