Blood Quill Spey Marabou is the same product as normal marabou but bigger and fuller over a shorter length, meaning better yield per quill. Spey Marabou is prefect for big flies, but can also be hand stacked for smaller flies. Coming in all the same colors this size of feather is great for wrapping collars, tying Things, Diver tails, leeches, Whistlers, articulated streamers. Coming in at 5-7 inches long. Every tier needs good marabou, we bring you the best.