• Material: polyester silk, soft and shining, provides special care for your kids
• Size: Bowtie: length is 3.9", width is 1.9"; Strap: length is 15". Suspender is stretchable, 19"-25.6"
• Pre-tied with an adjustable strap and suspender to fit most
• Suit for wedding, party and formal occasion
• Also can be used on costume for cosplay, Halloween and festivals. Best choice for your kids

For reference, I got these for my 6 and 7 year old nephews for my wedding and they worked out perfect. I just ordered an extra pair just in case.