Compatible with Swatch The inner width of the watch strap buckle is 16 mm, please confirm your strap width before purchasing. Plastic watch buckle and silicone watch strap loop, durable and long lasting. Easy to install, you can use the spring bar tool to press one end of the spring bar and then release it completely. You will receive 2 watch strap accessories, including 2 watch buckles, 2 watch strap loops, 2 spring bar tools. Ideal watch band buckles and loops to replace your old and damaged parts.