Welcome to the JAMhoops Laboratory! We sell a wide variety of hula hoops and flow concept props. Take a look around the shop and feel free to Contact Us with any questions. New listings will be added frequently! We measure in Outer Diameter and all hoops over 24" come with a push button. All hoops come with a free strip of gaffer or sanding on the inner rim. Turnaround time is 1-7 business days for non LED orders! Happy Hooping!