[Plant Breeder]-Using the old air layering method, tree roots grow directly on the branches, copy existing plants and produce new plants. It is suitable for indoor and outdoor plants such as roses, climbing plants, trees, fruit shrubs, fruit trees and hard-rooted plants such as magnolia and camellia. [No damage]-No damage to the mother plant, because the plant you want to clone uses only one branch. This results in almost no interference, nor does it interfewith the natural growth of plants. [Safety lock]-Designed with interlocking stoppers and corner locks, which afixed on the branches, and the incubator can be fixed even if theis no lower brace. But you can use plastic straps to secuthe pallet. [Reusable]-The cultivation tray is durable and can be used multiple times, so you can copy moplants according to the heart content. size:Diameter: 5cm Material:plastic colour:Black Package Contents: Note: Light shooting and different displays may cause the color of the item in the pictua little different from the real thing. The measurement allowed error is +/- 1-3cm.