does not hurt people's skin and is not allergic, soft, waterproof, sweatproof and comfortable. The length of the watch band is 130mm plus 80mm and the width is 20mm. It is compatible with Samsung Galaxy Watch4 40/ 44mm and compatible with Samsung Galaxy Watch4 Classic 42/46mm. Item Name: Watch Band Material: Silicone Color: Black, Burgundy, Army Green, Pink, Red , white, midnight blue, dark blue, light gray, light blue Compatible models: Compatible with Samsung Galaxy Watch4 40/44mm and compatible with Samsung Galaxy Watch4 Classic 42/46mm Features: Waterproof, sweatproof, comfortable Size Details: Width: 20mm/0.79in (Approx) Length: 13cm + 8cm/5.12in + 3.15in (Approx) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow a little dimension difference due to different manual measurements. Package includes: 1 x watch band (watch not included)