SILICONE MATERIAL: The silicone watch band is made of natural rubber. Sweat-proof and waterproof, light and easy to dry, it is a great choice for outdoor sports. Durable, premium material can prevent skin irritation and are very soft and comfortable to wear. The simple design and a variety of colors can also meet your daily needs. AMPLE WIDTH CHOICES: Please select the correct width to be compatible with any traditional or smart watch that uses 18mm, 20mm, 22mm spring bars. Measure watch lugs where band and spring bar contact the case. It is important that the lug width of your watch is the exact width of the band you select, otherwise the spring bars will not fit correctly. You can also find the specifications of most watches by searching online. SILICONE MATERIAL: The silicone watch band is made of natural rubber. Sweat-proof and waterproof, light and easy to dry, it is a great choice for outdoor sports. Durable, premium material can prevent skin irritation and are very soft and comfortable to wear. The simple design and a variety of colors can also meet your daily needs. AMPLE WIDTH CHOICES: Please select the correct width to be compatible with any traditional or smart watch that uses 18mm, 20mm, 22mm spring bars. Measure watch lugs where band and spring bar contact the case. It is important that the lug width of your watch is the exact width of the band you select, otherwise the spring bars will not fit correctly. You can also find the specifications of most watches by searching online. SIMPLE REPLACEMENT EXPERIENCE: Removing the traditional watch strap requires a metal tool, but the quick install and release rubber straps only need your hand. Watch bands are built in stainless steel quick release pins, which makes it really easy to install and remove. You can quickly install the watch strap in 5 seconds. OPTIMAL FIT: Measure the inner distance between two lugs on your watch casing. The strap will fit your watch only if the lug width of the watch is the same width as the strap. COLORFUL LIFE: We hope to give your watch band a new look, provide you with a satisfying shopping and give you a colorful life. Welcome to try a variety of colors with watch band! Please contact us if you have any trouble.