Fox 40 Lanyard The lanyard is 3/16 in diameter. Hang your whistle, an id, or keys for safekeeping around your neck on the J-hook clip. An adjustable cord lock lets you fit the lanyard however is most comfortable for you! It comes in twelve bright, dynamic colors like blue, gold, pink, and more. Always keep your whistle within reach during all the most important meets, tournaments, and practices using the breakaway lanyard! Comes in 12 dynamic colors