The Burpee 16 XL Cell Superseed Seed Starting Tray in green is a large square tray made of silicone with 16 holes for planting. It features a drainage hole and is reusable and dishwasher safe. This starter tray is designed for indoor use and is ideal for growing herbs, flowers, and vegetables. The tray is floor-standing and has dimensions of 11.5 inches in diameter and 10.5 inches in width, making it a convenient and practical option for seed starting.