Material - tree root growing box made of high quality material, uses the ancient method of Air Layering which is about growing roots right onto the branches to replicate your existing plants and produce a new one, perfect for plant breeding. Locking Design - Plant root growing box designed with automatic buckle which interlocks with each other and secures on the branch to hold the propagator in place even without a stem underneath. Automatic buckle and secure lock make sure that branches are tightly locked and well protected. Also, you can use plastic ties to hold the rooting box securely. Reusable - The botany root controllers are sturdy and durable makes it not easy to break or deform, enough to be reused over and over again so you can clone more plants to your hearts content. With the plant propagation air-layering pod, you can easily connect and clone existing plants! No Damage to Plant Root - The high pressure propagation ball grafting device provides are created with a cutting globe design which no damage to the parent plant at all as it only uses a small branch on the plant you wish to clone, thus creates little to no disturbance and doesn't disturb the plant's natural growth. Package Included - The package comes with 12 pieces small reusable plant rooting devices which can meet your daily use and replacements, it can help to attach and clone your existing plants with ease and without worries, you can also send as gifts for others who are plant lovers.