Nylon Loop Compatible with Whoop Band Strap Replacement Hook and Loop Breathable Adjustable Strap for Whoop 4.0 Tracker Accessory (Black)

[EASY TO INSTALL: Design to fit Whoop 4.0 tracker easy to install and remove with our re-designed metal frame.( No tracker included) Hook and LOOP: New frame comes with a adjustable nylon loop making it easier to adjust anytime without taking off wrists. "Breathable Nylon: Adopts the premium nylon thats ususal to other smartwatches feeling soft and breathable on wrists." Please follow the video for your first installation and wearing. For any quality issues please contact us for replacement anytime.]