It includes two spring bars. Invicta Signature II Russian Diver 18202. 26MM SILICONE RUBBER DIVER BAND STRAP FOR INVICTA EXCURSION 18202 WATCH BLACK. 17MM 18MM 19MM 20MM 21MM 22MM 23MM 24MM 26MM. The strap is made from PVC Soft Rubber for durability and a comfortable fit.