batiny bands compatible with fitbit charge 4 / charge 3 / charge 3 se bands for men women x-large silicone replacement straps sports band batiny <b>batiny durable silicone comfortalbe wristbands for fitbit charge 4 / charge 3 / charge 3 se(large/small) sport edition </b><br><br> <b>features</b><br>- premium waterproof material : waterproof,sweatproof, lightweight and easy to dry, great choice for outdor,sports and other occasions<br> - seamless joint style : double colors and double layers combined perfectly that inspire your amaizing mood and outfit in daily life<br> - unique buckle design : stainless steel pin, easy to clasp, pin-and-tuch lock.<br><br> <b>optional size: </b> <br> - small size of waist: 6.8'' - 8.7'' / 172mm-222mm <br> - large size of waist: 7.4'' - 9.5'' / 186mm-242mm <br> - width of band: 0.87'' / 22mm <br> - thickness of band: 0.115'' / 2.9mm <br> <br> <b>easy to install: </b><br> 1. press down on the latch button next to the tracker.<br> 2. slide the pin and insert the other side of pin into place.<br> 3. lock on the tracker, seamless fit.<br> 4. pin-and-tuck closure keeps tracker precisely and securely.<br><br>