Description: With the ancient stratification, the roots are directly grown on the branches to replicate existing plants and produce new plants. It also applies to indoor outdoor plants, such as roses, climbers, trees, fruit trees, fruit trees, and difficult-to-roots plants such as magnolia and camellia etc. Safe for the mother plant, it does not damage the parent all, it only uses a small branch on the plant you want to clone, there is little interference, nor will it interfere with the natural growth of the plant. Made of high quality PP plastic, durable and can be used repeatedly, you can clone more plants according to your preferences. Designed with self-gripping , flexible to disassembly and assembly, convenient to use. It was created especially with the cutting , helps your cuttings get stronger roots and thus reproduce more mature plants faster than normal allows you to view the propagation results within 6-8 weeks after installation. Specification: Material: PP Plastic Size: approx. Diameter L: 12cm/ 4.72inch, applicable branches size: 12-31mm/ 0.47-1.22inch M: 8cm/ 3.15inch, applicable branches size: 7-12mm/ 0.27-0.47inch S: 5cm/ 2inch, applicable branches size: 3-9mm/ 0.12-0.35inch Color: Black/ White Package Includes: 1 Piece Plant Rooting Box(4 Pack) Note: Please allow 1-3mm error due to manual measurement, pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item, pls understand, thank you.