Light up your graduation party and light up your guests with our Congrats Grad LED pendant necklace. Each graduation pendant necklace is 1.25" in diameter and comes on a 24" cord. All grad necklaces have a multi-functional switch, slow blink, fast blink or constant on and come with batteries included and installed and white LEDs Our Graduation light-up pendant is sold by the piece. Please order in increments of 1 piece.