Length: gentle on plants and the Yo-Yo string is 60" and retractable<BR> Package: 10pcs plant yoyos <BR> Material: Plastic <BR> Color: Yellow<BR> If you are trying to train a plant to grow a certain way--you would attach one hook to the plant and another to something else (the pot, the wall, etc.)<BR> Let the tension of the plant yoyo pull the plant a bit, then lock the tension button down so it is fixed at that length. <BR> Then, after it get used to that position, you can click the button again, adding a bit more tension--pulling the plant a bit more, then lock it down in that position. <BR> It makes making these little adjustments so much easier than wrapping a wire or string, then re-doing it over and over again as the plant grows.<BR><BR> Instructions for use <BR> Attach the hanging hook at the top of your garden<BR> Clip the angled hook to the plant stem or branch<BR> Secure the string at desired length with stopper<BR>