Creazy&reg; Soft Silicone Watch band Wrist strap For Fitbit Alta Smart Watch+Protective Film (Black) The size can be adjusted according to the circumstance of individual wrist 100% Brand new and high quality. Softness is moderate, wear very comfortable Compression molding, sturdy and durable Suitable for the wrist size: about 170-206mm Package Include: 1pc Wristband(without retail package 1pc HD Protective Film Material: Silicone Maximum Length:11.5cm Minimum Length:10.5cm Length Width:1.6cm