Seedfactor Seed Starter Tray--Your Good Helper In Garden Choose our growing trays to help your plants grow better! Excellent air permeability and drainage performance, environmentally friendly material manufacturing, let you grow worry-free. Excellent function, environmental protection materials, satisfactory after-sales service! Enjoy planting convenience and harvest fun! Product features: Innovative Separate Cells ABS &Clear Material Adjustable circular vents Humidity Dome Warning: Do not use outdoors. Do not immerse grow light in water. Do not place on heat mat unless there is water in base tray. Do not expose to sunlight for extended periods.