The bracelet style holder on the back of case is both decorative and functional (but it is not made to be pulled with large force)

Sleeve Style : Petal Sleeve

Fabric Name: Woven

Reusable and Washable：After you scrub the high quality face shield with alcohol or water and still continue using it

NEW M4 Smart Band For Track Heart Rate, Step Track With OLED Display, Retails $65 active_bidding The bracelet style holder onNEW M4 Smart Band For Track Heart Rate, Step Track With OLED Display, Retails $65 Strap Material : Plastic Color : Black Dial Color : Black Dial Shape : Oval Display Type : Digital Color : Black Compatible OS : Android & iOS