RIO has paired six of their most popular grasshopper imitations with six of their top performing tungsten nymphs for the Hopper Dropper Fly Assortment. From July until the first frost, this assortment will allow you to fish any trout river or stream in the world with confidence. RIO recommends fishing the dropper 18" to 36" behind the hopper depending on the water depth.IncludesChernobyl Hopper - Tan/Yellow, Size 10Chubby Chernobyl - Purple, Size 10Chubby Chernobyl - Royal, Size 10Parachute Madam X - Peacock, Size 12Parachute Frankenhopper - Tan, Size 10Parachute Hopper - Tan/Red Legs, Size 12Tungsten Zebra Midge - Black, Size 18Tungsten Zebra Midge - Red, Size 18Tung Dart - Brown, Size 16Soft Hackle TB - Olive, Size 16Pheasant Tail TB - Natural, Size 16RIO's Gum Dropper - Watermelon, Size 16