Flashing LED Light Up Rave Tongue Barbell. This tri-color flashing tongue light is the perfect way to show off your piercing. Made of the highest quality 316L surgical steel in 14 gauge this is the perfect jewelry for you tongue piercing. The super super bright strobing LED lights will illuminate your entire mouth when in use. The jewelry had a simple twist tight on off function. This led jewelry is perfect;y safe for use in your mouth. awesome for daily use or special occasions, this thing lights up bright, day or night. Wear it to clubs, raves, concerts, parties or any where you want to have fun and flashy eye catching light show in your mouth!