Features: 1. Transparent Plastic Trays: Transparent plastic trays allow easy viewing of plants without disturbing the growing process. 2. Adjustable Vents: Adjustable vents help regulate temperature and humidity, providing better control over the germination environment. 3. High and Low Temperature Resistance: Resistant to both high and low temperatures, these seedling trays can be safely used with heating mats without risk of melting. 4. Wide Applicability: Suitable for starting small seeds such as flowers, vegetables, fruits, and other plants. 5. Reusable Design: Durable and reusable, ideal for growing healthy seedlings and maintaining an organized garden. Specifications: Item Type: Cells Seedling Trays Weight: Approx. 482g / 17.0oz Material: Plastic Assembly Size: Approx. 18.5 x 14.5 x 11.5cm / 7.3 x 5.7 x 4.5in Hole Size: Approx. 4 x 4cm / 1.6 x 1.6in Bottom Hole Size: Approx. 2.5 x 2.5cm / 1.0 x 1.0in Hole Depth: Approx. 5.5cm / 2.2in Capacity: 12 Holes, 1L Application: Seedling Sowing Color: White Bottom Package List: 5 x Seed Tray 5 x Waterproof Base Tray 5 x Dome 10 x Plant Label 2 x Seedling Transplant Bucket 5 x Head Cover