Cool and calm when still, the Galactic Sherbert hoop spins into a wild vortex of rainbows when in motion. The strobing LEDs brighted up the incredlibe 7-color rainbow ribbon LEDs. The LED hoop is made of light weight and durable HDPE plastic. It's flexible and can withstand impact very well. The lights and counterweights make your hoop very evenly balanced and the battery and LEDs are tightly secured making it rattle free! These hoops are great for beginners or professionals. They are amazing quality and at a price that can't be beat.