Disscool Replacement Wristbands Compatible with Fitbit Charge 6/Charge 5/Charge 4/Charge 3, Adjustable Soft Silicone Wrist Strap Band with Quick Release Watch Accessories(Black/Large Size)Features: Color：Black Compatible with Fitbit Charge 3 band made of high quality Soft and flexible Silicone material, Safety and environmental protection, No irritation on human skins. Compatible with Fitbit Charge 4 SE changing the strap simply slides the quick release knob with your finger, and it only takes one minute to complete the installation and removal process; no tools required. The watch strap compatible with Fitbit Charge 3 SE has a unique design: the holes on the watch strap make wearing more comfortable and let your cutaneous respiration freely. What you can get when order from Disscool? 1.If you have any questions, don't hesitate to contact us. Our service team will reply you with satisfied solution within 24hours, to prove the importance we set on quality. You can purchase with confidence. 2.No additional condtion to get a replacement products(if some problem with it) or full refund