Compatible Models: Sport nylon bands compatible with Inspire 3 bands, Inspire 2 bands, Inspire bands, Inspire HR bands, Ace 3 bands, and Ace 2 bands for both women and men. Comfortable Nylon Material: These bands are made of skin-friendly premium nylon material, which is soft, breathable, durable, lightweight, and washable, making them an ideal choice for outdoor sports, fitness, and daily wear. Adjustable Size: The solo loop bands feature an adjustable strong velcro design, allowing for easy length adjustments and a secure fit. These replacement bands are suitable for wrist sizes from 6.3' to 8.3' (160mm-210mm). Security & Convenience: Designed for compatibility with Ace 3 and Ace 2 bands, the quick-release spring bars on both sides make it very easy to slide the pin into the watch notch, keeping the connector securely locked. Changing colors to match your daily attire is simple and tool-free, with installation taking just a few seconds. Dimensions: 7.6 x 3.03 x 0.35 inches.