Oksell&reg; Replacement Smartwatch Wrist Band Strap TPU Loop Type Closure For Samsung Galaxy Gear S R750 (Grey) The size can be adjusted according to the circumstance of individual wrist Compression molding, sturdy and durable Material: TPU..........Width:2.3cm/1.1" Strap length:25CM/9.8" Compatible For:Samsung Galaxy Gear S R750