These watch strap fastener accessories will ensure that your watch fits properly. Lightweight, and withstand friction very well. Secure your smartwatch strap in style and give it a new look. Provide you with a comfortable wearing experience, and suitable for most smartwatches. You can also share with your family and friends. Features -Color:Assorted Color -Material: Silicone -Size: 18mm; 20mm -These watch strap fastener accessories will ensure that your watch fits properly. -Offer watch straps in a variety of colors to personalize your smartwatch. -The strap holder secure your smartwatch strap in style and give it a new look. -The watch strap holder are light, and withstand friction very well. -The watch strap rings provide you with a comfortable wearing experience and fit most smartwatches. Package list: strap