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