Loon(TM) - Top Ride Standard is the old standby... Dun has a grey tint. A dry fly angler&';s best friend. Top Ride brings flies back from the dead and keeps them riding on top. Known as "Shake and Bake" by world class guides, this desiccant (drying agent) and powder floatant is fast and easy to use. A fly (still attached to the leader) goes in wet, and a few shakes later comes out dry and coated with a powder floatant. Powder floatant and drying agent in one Easy to use shake application Large cap opening for any size fly 1 oz.