You are buying 4 Quality Size 12 double Silver Doctor Salmon Sea Trout flies.I am a professional fly tier with over 30 years experience . As a very competitive angler I have used many modern materials on traditional flies. These new killer patterns are guaranteed to increase the catch rate on all waters so if you want an edge over your fellow anglers you know where to come. All my flies are tied using quality materials and kamasan hooks. Please take some time to look at my other flies. All flies will be sent out within 24hours of payment . So grab yourself a bargain Good luck and tight lines