Buckle closure High-quality Materials: Choose soft The silicone, durable, flexible, breathable, odorless, and will not irritate the skin. Choose high-quality materials and go through rigorous testing and screening. Excellent workmanship: easy to slide in or out of the watch. The car line runs evenly and tightly, the car side is neat, and the sturdy buckle is used to create a fine art. Applicable scenarios: The strap is compatible with iWatch series 5 4 3 2 1. For family dinners, friends parties, business events and other occasions, this unique strap makes you look more personalized. Washing instructions: Regarding the maintenance of the strap: 1. In daily use, especially when sweating a lot in summer, it is best to use a dry cotton cloth to gently wipe the surface of the strap to keep the strap clean. You can adjust the strap slightly, which can extend the life of the strap. 2. Long-term exposure to the sun or contact with irritating liquids can also cause discoloration or discoloration of the strap. Special note: This size data is normal due to different measurement methods, and the error is within 1cm. The strap is made of The silicone. Wearing it for a long time will cause creases. This is a normal phenomenon and will not be included in the after-sales treatment category.