LJ Men Boy's Dollar Unisex Self-Tie Bow Tie Tuxedo Bowtie Necktie with Gift Case Unisex Pre-Tied with an adjustable band that wraps around the collar Adjustable to fit neck sizes 50cm Each bowtie is handmade and fabricated from a cotton and polyester blend. Great for formal events, weddings, balls, parties etc. and can adjust to fit young boys to adults.