Material: Silicone Size: About 220 mm ( 8.66 inch), adjustable size, suitable for everyone Weight: 20 grams (0.7 ounces) Suitable for: Compatible for GarminFit JR3/vivofit jr.3 Color: 12 colors are available 1 1.A spare wristband specially designed to be compatible for GarminFit JR3 children&39;s smart bracelet 2 2.Use high-quality silicone materials, suitable for your skin, so that you have a comfortable wearing experience. 3 3.Lightweight and durable, the porous design greatly improves the breathability of the strap. 4 4.Sweat-proof and waterproof, light and easy to dry, it is a good choice for swimming. Durable, high-quality materials prevent skin irritation. Very soft and comfortable to wear. 5 5.The strap has an adjustable design, and the size can be adjusted according to individual wrist conditions. One size fits everyone. Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.