Disco Necklace. Celebrate the 70's with our solid gold Disco Necklace! Featuring a flashy, plastic "Disco" medallion attached to a retro mesh link chain, this funky Disco Necklace announces that you boogie with pride. Whenever dance fever hits, go with the glitz! Disco Necklace measures 37in total and fits most teens and adults. For ages 14 and up.