[High quality] Made of high-quality plastic, not easy to deform, not east to break and age, the thickening material at the bottom edge can provide enough support pressure [24 Cells] Each seed tray has 24pcs compartments, the size of the seed tray is: 35.5 x 23 x 5cm, the size of each cell is: 5 x 5 x 5cm, enough space for seed sowing [Humidity control] The ventilation holes on the cover can adjust the temperature and humidity, there are drainage holes at the bottom of each unit, can drain water properly and reduce the supersaturated root system [Efficient heat transfer] With lid and base allow heat to easily penetrates into the interior, to keeps the soil temperature constant, and reduces water evaporation, ideal garden seed planter, an effective way to build a small greenhouse [Applicabler] Perfect for succulents, tomatoes, peppers, bonsai, fruits, and small plants, suitable for starting flower and vegetable seeds indoors or fruits, trees and other agricultural cultivation Material: plastic Lids size: 37 x 24 x 5cm Tray size: 35.5 x 23 x 5cm Cell size: 5 x 5 x 5cm Base size: 36.5 x 24 x 5.8cm Package included:4 x Seed Tray4 x Cover4 x Base