<p>Soft & Breathable NylonMade of premium soft stretchy nylon material, the Fitbit Charge 4 strap is skin-friendly and comfortable, and won't cause skin reactions like plastic or metal straps, leaving no marks on your wrist. It works for workdays, exercise and overnight sleep<p></p>Stretchy & AdjustableStretchy strap compatible for Charge 4 strap /Charge 3 strap with stainless steel slip buckle, you can adjust the tightness as needed. The adjustment buckle ensures that the fit is not too tight or too loose and will hold throughout the day, even while exercising<p></p>Compatibility & SizeEpova nylon sport straps are compatible with Fitbit Charge 4/ Fitbit Charge 3/ Fitbit Charge 4 Special Edition fitness tracker. Ajustable one size design elastic Charge 3 strap/Charge 4 strap for women fits for 6.4" to 10" (165mm to 255mm) wrist, easy to wear or take off<p></p>Easy to InstallThese nylon straps for Fitbit Charge 3 straps and Fitbit Charge 4 straps come with stainless steel connectors, which are fully compatible with Fitbit standard quick-release mounting system, so the strap attaches your tracker seamlessly and securely, it's easy to install and one button removal<p></p>Stylish Colours & PatternsA set of three straps, each colour and pattern are different, you can choose different fitbit charge 4 strap/ fitbit charge 3 strap to match your clothes according to your preferences. They are suitable for attending any occasion and are very eye-catching</p>