Product Features:<br />1.Soft and comfortable wear<br />2.Compression molding・ sturdy and durable<br />3. 12 color for choice<br />Specifications:<br />1.Material: Silicone <br />2. 2 size for choice: S / L<br />Packing Included :<br />1* Silicone Wrist strap( Tracker not included)<br />SIZE CHART<br />S: 5.5-7.5 inches/ 140-190mm<br />Band width : 0.7inches/14mm<br />L: 6.5-9.5 inches / 170-240mm<br />Band width : 0.7inches/14mm<br />