YiTeng Mens LED Sequin Adjustable Tuxedo Bowtie Bow Ties 5 PC Mixed Lot Made of Snazzy Sequinned Fabric and Polyester Bow Tie Size:5.6inch X 4inch An elastic strap is attached for one size fits most Batteries are Included and Installed Sparkly Bow Tie with 4 LED Lights that Blink in 3 Different Speeds! Attaches with Neckband and Hook