PREMIUM MATERIALS: TStrap silicone replacement watch band is made of high quality waterproof silicone and polished stainless steel buckle. The silicone watch strap comes in 9 colors including black, brown, blue, red, orange, yellow, green,white and grey. And the silicone and its pigments we use are very safe. Except for those who are allergic to such materials, other customers can use it with peace of mind. SOFT and COMFORTABLE: Although this silicone watch band is relatively thick, it is also very soft and slightly elastic, it can bringing comfort to your wrist when you wear it. Moreover, the end of the strap adopts a curved design, it makes the strap fit your wrist completely tightly,so they'll feel good from minute one and need no break in. SPECIAL DESIGN: Heavy-duty strap design, the end of quick release spring bar is 5.3mm thick, so no matter how long you wear it, it will never tear through at the quick release attachment. The two watchbands have a row of holes in the center, and grooves on the back for improving comfort and airflow, so you will never get sweat stains when wearing the strap. STRONG COMPATIBILITY：The silicone watchs are available in widths of 18mm, 19mm, 20mm, 21mm, 22mm and 24mm. It is compatible with most smartwatches and traditional watches on the market and is suitable for all men and women. The length of the band is 125mm/75mm, suitable for wrists from 6.29 inches (160mm) to 8.26 inches (210mm). For you to have a pleasant shopping experience, please measure the width of your watch and the circumference of your wrist before purchasing. QUICK RELEASE PINS: The silicone watch strap feature quick release spring bars with a diameter of 1.8mm. Compared with ordinary pins, we have thickened and reinforced the quick release spring bars, and we have also thickened them around the holes of the pins of the band. Improvements in these two aspects will make the strap stronger and more durable. And the size of the pins is a standard size, which completely fits the pins hole. You can rest assured to choose the size that suits your watch. TStrap Silicone Watch Band for Men - Black Quick Release Watch Band for Women Soft - Waterproof Smart Watch Bracelet with Clasp - Correa de Silicona para Reloj Hombre Replacement Ladies - 18mm 19mm 20mm 21mm 22mm 24mm