Premium Material: This plant rooting device is made of high PP plastic, which is durable and can be used repeatedly. That you can clone more plants as you want. Size: Includes 6 different plant rooting boxes and three sizes for different diameter plant branches. (SML), S: diameter 5cm, high pressure branch size: 3-9mm; M: diameter 8cm, high pressure branch size: 7-12mm; L: diameter 12cm, high pressure branch size: 12-31mm, will meet your multiple demands. No Damage to Plant Root: The rooting ball box does no damage not the mother plant at all, as it only uses a small branch on the plant you wish to clone, so there is no interference or interference with the natural growth of the plant. Secure Locking Design: Stoppers and corner locks that interlock with each other at the four corners make this plant rooting device easy to install and detach. hold the propagator in place even without a stem underneath. However, you can use plastic ties to hold the shells securely. Versatile Use: The plant rooting balls can be widely applied to various plants, whether indoor or outdoor, such as roses, fruit trees and hard-to-root plants.