20mm 21mm natural rubber silicone watchband for role rlx oyster flex gmt sub mariner sub day tona gmt black green blue watch strap glide loc, Black;brown

water and sweat resistant, suitable for various scenarios. the strap is made of natural rubber. the length is 55mm+70mm, with a flat interface, suitable for most rlx series watches. the watch strap adopts an oyster style design with a curved shape that fits snugly against the wrist. strong and durable, not easy to wear, and the rubber strap is durable. elastic and comfortable, the rubber strap adds vitality to your wrist.using rubber as the carrier, we create a lightweight and strap experience for you..syi