Customized rubber watch strap Supply various design and choices of watch straps Available rubber material: Silicone/Nitrile Rubber/Natural Rubber/PU Various prints or logos on watch straps. Supply single color, two colors, or multi-color watch straps. Adding perfume into material compound to make watch straps fragrant. Supply various forms of surface finishing on watch straps, such as stitching, adding accessories, printing and coating etc.