13-Hole Plant Starter Tray Set with Ventilation Grids, 8x5 Inch Starter Tray for Flowers, Green. Note: This product page is only for the green color. If you need other sizes/colors, please refer to the Questions & Answers section. Description: Plastic Material. The mini plant growing tray is made of high-quality plastic with a transparent lid. It is lightweight, thick, and durable. 13-Cell Design. Seed starting tray with 13 holes, airtight base tray, includes plant labels, and 2 small gardening tools. Function: The seedling tray can protect seedlings from damage caused by strong winds, heavy rain, or extremely cold weather before transplanting them to a garden or larger pot. With Humidity Dome. The seedling starter tray with adjustable ventilation in the top dome allows you to regulate the temperature and humidity of the seedling environment. Application: The starter kit is perfect for potatoes, tomatoes, peppers, eggplants, fruits, flowers, and other plants. Size chart: Approximately 21cm x 21cm x 13cm / 8.27in x 8.27in x 5.12in. Package includes: 1 set of seed starting tray. Note: Please allow slight errors due to manual measurement and different monitors.