For Swatch Silicone Watch Band Strap Accessories 12 16 17 19 20mm Multicolour UK
16mm is the ultra-thin cicada wing two needle series, 17mm and 19mm are original series, and 20mm is suitable for the multi-functional jelly series. 20mm thick2.8mm. Length: 11.5+7.5cm. 17-19mm thickness2.5mm.