Overview: : The garden clone collar is made of sponge, soft, breathable, reusable, and waterproof, ensuring the friendly growth of plants. For plants, it is very suitable for organic and hydroponic growers 30 Pack of Cloning Collars: These collars are perfect for net pots and hydroponic or aeroponic growing. Key Features: - 1.89 inch (Diameter) x 0.75 inch (Height) - 5cm x 1.9cm Specifications: - Special Spoke Design: The and improved spoke design provides you with 8 slits and 1 hole to cushion tender cuttings. Improve planting efficiency, obtain and higher yields and healthier plants - DIY Plants: Very suitable for hydroponic plant germination in DIY nursery boxes and cloning machines. Whether you are using a commercial cloning machine or a dedicated nursery box, this is the right choice for plant germination - Scope of Application: Whether you are using a commercial cloner or a DIY cloner, you can easily clone professionally. very suitable for DIY cloning machine - Colour: black - Material: sponge - Package Contents: - Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Package includes: 1 × item (as d)