Voguestrap TX577721 Allstrap 18mm Black Regular-Length Fits Ultra Sport Watchband Replacement watchband width is 18mm wide The color of this replacement watch strap is black This high quality replacement watchband is made of polyurethane This Allstrap replacement 18mm polyurethane watchband will fit all major brand watches The TX577721 fits all 18mm Timex, Casio, Seiko, Tissot, Citizen, U.S. Polo, Stuhrling and Nautica watches