[ONE SIZE FITS ALL]- The LED bow tie is unisex for men, women, and girls, it's a normal size bow tie not an oversized funny looking bow tie.Adjustable straps with buckle, fits all , easy to wear. No heat, No Radiation, Harmless to the Human Body, Durable.[MULTIPURPOSE]- fiber optic blinking bowtie is perfect used for Weddings, Concerts, Party Burning Man Festivals Party Show, , Costume Parties, Masquerades, Mardi Gras, Festivals, Carnivals, Christmas Gifts, and more .Powered by: button battery (included)Type: size:12x6cmMaterial:Acryliccolour:Transparent + blackPackage Contents:1 x bow tieOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed is +/- 1-3cm.