Get your party on and add the Disco Lights Mardi Gras Party Necklaces to your party supplies. This party favor is perfect for your staff and guests. Great for any Mardi Gras event! With the disco balls colored in purple, gold and green, this necklace is sure to match your event perfectly. Each inexpensive piece measures thirty-six inches for a one size fits most. Activate by pressing the button on the battery pack and choose between six different light functions. Batteries are included for a convenient use.