This Rhomboid Bow Tie is a l 1920s/1930s design. Made from top quality White Pique Cotton (other fabrics are available), the bow tie will sit quite stiff and even. The bow tie measures 3/4" on the neck strap and the rhomboid front spread 2" high.  This bow tie is not adjustable. To order, choose a size that is 1.5" larger than your detachable collar size. If unsure of collar size, measure around collar while wearing it from one centre-front of the collar to the other centre-front and add 1" to obtain the correct bow tie size. All RJW Shirts garments are custom Made-To-Measure - no stock is kept and garments are made upon ordering.