NewJourney nylon sport bands are compatible with Bark Watch. The bark watch band is adjustable within 5.86 to 7.44 inches, fits most small wrists, please measure before purchase. Made of premium nylon - more comfortable, soft and durable, ensuring comfort all day long. Designed with velcro & quick release pins for easy wear and easy color change. Please email us for any issues, we would be glad to hear and solve problems anytime. Kids Nylon Bands Compatible with Bark Watch, Breathable Hook&Loop Band for Boys Girls