Complete Seed Kit: seed kit includes a Seed tray, humidity dome, seedling heat mat, grow light for seed starting and light stand - everything you need for a user-friendly and rewarding plant growing experience. Space and Durable Material: The seed tray to offer plenty of room for growth. Thick heavy-duty plastic is expected to last for years - sturdier and higher quality than others on the market. and Anti-leak: The seedling tray base fits tight and well with the cover lid and is designed with raised edges to prevent water droplets from leaking and keep your surface clean with minimal effort - maintain proper warmth and humidity to the healthy and growth of your plants. Constant & Even Heat To Root Zone: The IP67 waterproof and heavy-duty heat mat warms root to around 10-20 above ambient air temperature which provides the environment for seed germination or cutting propagation. this full spectrum plant grow light kit provides better light efficiency than fluorescent while keeping energy costs at a minimum. Colour:black Material:plastic Size: Total Length: 54cm Width: 28cm Single hole diameter: 4.8cm Depth: 4.5cm Package Contents: 5 x 50-hole nursery 5 x tray Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.