Material with a thickness of 0.8 mm. Compared to other 0.5 mm plastic materials, our cell shell thickness uses 0.8 mm PET material for reusable, durable and not easy to break material.Advanced design: with the adjustable humidification domes, you can easily adjust the indoor humidity from 50% to 100%. Thanks to the transparent seed litter, you can keep an eye on growth. Drainage holes at the bottom for better drainage Give full control over the growth process.Suitable size: Each cell measures 3.6 x 3.6 x 5.5 cm, a total of 120 cells, Perfect for growing herbs, flowers, salad, fruit, vegetables, cuttings or preparing seeds. The mini greenhouse is suitable for balconies, patios and window sills.Improve the germination rate: the adjustable ventilation holes allow you to adjust the temperature and humidity, reduce evaporation, control the germination process and increase the survival rate of the seedlings. You can cultivate plants better.colour: black + greenMaterial: plasticPackage Contents:10 x seed trays20 x plant labels2 x small garden tools1 pair x glovesOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.