Outdoors Combo Pack is the ultimate, easy to use, effective treatments for dry fly fishing. The long-lasting Aquel and Top Ride are proven products for keeping your flies riding high-and-dry. 2 Pack include bottle of Aquel and bottle of Top Ride Dry Shake Essential for Dry Fly Fishing Treat flies with Aquel before use to waterproof flies. After flies start to sink, or after you catch a fish, put flies in Top Ride, shake, and start fishing again