Compatible with Fitbit Inspire / Inspire HR / Inspire 2 / Ace 2 Fitness Tracker. Compared with silicone and metal materials, woven materials are more breathable, lighter and softer. The adjustable buckle fits your wrist perfectly. No sense of restraint. Suitable for wrist 4.5-9.5 inch. The quick release watch bands with quick release spring bars on both sides, allows you to change bands easily., no tool needed. There are different colors and different combination to choose. You could wear different color in different mood. One of the best holiday gifts for women, men, girlfriend and families. 3 pack Set sale, If there is any problem, just contact us and then we will offer a solution Elastic nylon band is compatible with Fitbit Inspire / Inspire HR / Inspire 2 / Ace 2 Fitness Tracker. Please check your watch type before purchasing. (Notice: The Fitbit Inspire watch is NOT included.)