100% Brand new and high quality silicone replacement strap with metal buckle SMALL or LARGE size (select above)  Small = 5.5'' - 6.7'' (140mm - 170mm) Large = 6.7" - 8.1" 170 mm - 206 mm Specially designed connector, easy to install and remove, no tools needed.Softness is moderate, wear very comfortable. Compression molding, sturdy and durable. Compatible Models: For Fitbit Charge 2 watch Material: Silicone