【DURABLE & REUSABLE】The rooting ball made of high-quality PP plastic, sturdy propagation shells are durable enough to be reused for years. 【SIZE】S/M/L size for choose, S: Diameter 5cm/2", high-pressure branch size:3-9mm; M: Diameter 8cm/3.1", high-pressure branch size:7-12mm; L: Diameter 12cm/4.7", high-pressure branch size:12-31mm. 【SECURE LOCK DESIGN】Designed with stoppers and corner locks which interlock each and secure on the branch to hold the propagator in place even without a stem underneath. 【EASY TO USE】This practical cutting globe adopts the method of Air Layering to clone the existing plants with ease. Normally you can see propagation results within 6-8 weeks after installation. 【NO DAMAGE TO PARENT PLANTS】Professional for plant breeding, cultivating a variety of plants. The Plant Propagation Air-Layering Pod provides no damage to the parent plant when propagating