Flashing LED Tentacle Top Hat Rave Accessory- Yellow/Blue Tentacle Top Hat with a yellow and blue checkered pattern and matching tentacle tubes. Tentacle Tubes have small LED lights in them and flash all night! The battery pack has an easy on/off switch and is securely located inside the hat. The hat is 8" tall and 12" wide. Awesome light-up rave accessorry, never lose your friends in the crowd with this hat!