About This Extended Growth & More Headroom: The elevated dome design maximizes vertical growing space, allowing seedlings to thrive longer in the tray before transplanting; Perfect for developing stronger root systems and larger plants, from tomatoes and peppers to sunflowers and squash. Adjustable Vents: The seed starter kit cover allows for convenient access, while the rotating air vent promotes airflow and helps maintain ideal growing conditions Effective Drainage: Our seedling tray features strategically designed bottom drainage holes that efficiently remove excess water to prevent root rot; The innovative hole design ensures even water flow and consistent moisture for healthy seedling development Compatible with Heating Mats & Grow Lights: Our seedling tray maintains long-term functionality at temperatures up to 48°C, creating optimal conditions for seed germination and growth; Crafted from premium materials, it can be reused for multiple growing seasons Complete Seed Starting Kit: The set includes 10 twelve-cell seed starter trays, 10 humidity domes, 10 base trays, 1 shovel and scoop tool set, 10 plant labels, and a user manual - providing a complete solution for your seedling cultivation needs Overview Material : Plastic Color : Green Special Feature : Adjustable Vents, Effective Drainage, Upgraded Tall Dome, Compatibility with Heating Mats & Grow Lights, Complete Seed Starting Kit Adjustable Vents, Effective Drainage, Upgraded Tall Dome, Compatibility with Heating Mats & Grow Lights, Complete Seed Starting Kit Planter Form : Tray Shape : Rectangular