Suitable Model -- clip holder perfectly compatible with fitbit zip. (Tracker not include).Slip the tracker inside and clip it securely to your belt, waistband, pocket. Not Lost Anymore -- The edge of the clip can seamlessly wrap your fitbit zip, Sturdy and durable stainless steel internal fixture .so you dont have to worry about your fitbit zip falling from the clip, breaking or losing it. Sturdy And Durable -- Made from premium durable , flexible and skin-friendly silicone material. It is different from other ordinary siliconeEven if used Comfortable for a long time, will not aging,maintain comfortable sense of use. Waterproof And Easy To Clean -- silicone material, easy to clean and quick-drying, durable and non-fading. Suitable Comfortable for All Occasions -- Perfect Comfortable for outdoor sports, night running, cycling, walking, hiking, skiing, skating, rock climbing, daily work, etc.