Genuine Casio replacement resin band in black. 

Made for the following model(s):

GW-500A-1V GW-500E-1V GW-500U-1V GW-530A-1V GW-M500A-1 GW-M500F-1 GW-M500F-1C GW-M500F-2 GW-M530A-1