Dry Fly Patch....wicks moisture and fish slime away from your flies. Dry water soaked flies in seconds, then dust with your favorite dry fly powder, or our FROX powder for a new fly. PRESS, DRESS, CAST. It's that easy. Works great with CDC flies....a must item for hatch fishing dry fly fanatics fishing the famed sulphur hatches and bwo hatches on local waters. Has a grommet in one corner and can be attached to a zinger or pin on reel and attached to a vest, shirt, or pack. Launderable up to 100 times, but do not use fabric softener or bleach.