28ʺ 3/4 Colored PolyPro Neon Green Hula Hoop - UV Reactive. 28" Outside Diameter. Made with 3/4" PolyPro Material - Neon Green in Color - UV Reactive. We have 9 different colors. If you want a different color, message us with what you'd like. Comes with a snap button connector so it can coil down for travel - The picture that looks like two hoops is it coiled down. We can sand the hoop or do an inside line of gaffers tape for free - just message us if you'd like either.