hoopsupplies.com Colored Polypro Hula Hoop Colored Polypro Hoop 3/4" OD x 5/8 ID tubing; weighes approx 16 oz depending on hoop size. Hoops come with insert. Customer will insert into one side of the open hoop and then push the other end onto the insert. Fasten closed with clear tape (not included). UV colors (bright lime, saturn yellow, tangerine, ultra pink, magentas, glow, orbit blue) react to black light! Great for gifts! Various sizes & color options. Colors may vary slightly due to monitor settings. Hoops are final sale items/non-returnable.