Tok Tok Designs&reg; Men's Self-Tie Bow Tie (B352, 100% Silk) Self-Tie Bow Tie, Adjustable Neck Band Fits: Adult Men & Teenagers (Adjustable neck band fits any neck size.) Fabric: 100% Silk, Cleaning: Dry Clean Only! Factory Direct Price (You are able to get this amazing price due to factory direct discounts.) Note: Tok Tok Designs guarantees that silk fabric quality is identical to those silk bow ties sold at major department stores.