HS19 Mardi Gras Whistle Necklace Our Mardi Gras Whistle is hung on 40in beads. ★★★★★ (4.5) - 2 reviews ★★★★ by Trisha D. (ordered 1 times) - 4/24/20 Always fun. Thin beads; so, tangles somewhat when throwing. But the crowd loves them. And this is a great price. Read more... 1 Dz Bag $6.20 12 Dz Case $55.00 HS19 Mardi Gras Whistle Necklace Our Mardi Gras Whistle is hung on 40in beads. Whistles and beads come in purple, green, and gold. The beads are 6mm in diameter and the whistles are 2 1/2in. Make some noise with your Mardi Gras whistle beads! 1 Dz Bag $6.2012 Dz Case $55.00 Qty: