Do you want to clone your plants but scared to disturb your existing plant? Don't worry ndash;these plant propagation balls are guaranteed safe for the parent plants and provides at all when propagating Uses the method which is about growing roots right onto the branches to replicate your existing plants and produce a new one. Features - Material: PP Plastic. - Size L: About 12x12x8cm/4.71x4.71x3.14inch, the size of high-pressure branches 13-31mm. - Size M: About 8x8cm/3.14X3.14inch, the size of high-pressure branches 7-12mm. - Size S: About 5x5cm/1.97x1.97inch, the size of high-pressure branches 3-9mm. - They allow you to see propagation results within several weeks after installation. - These propagation shells are sturdy and durable enough to be reused again so you can clone more plants to your hearts content. - Attach and clone your existing plants with ease and without worries, very practical. - to plant root, very convenient and simple gardening grafting tools. - Adopts precision production to the stable characteristics and high reliability.