Neutralizes Ammonia On Contact With Urine Absorbs Up To 140% Of Its Weight In Liquid and Will Do So Repeatedly Has Less Than 1% Free Crystaline Silica (Non-Carcenagenic) Coverage Of Up To 1, 000 Sq. Ft (5-6 Times Greater Than Competitive Products Can Be Used On Dirt, Wood, Concrete Or Metal Trailers/Cages Safe With All Animals, Horses, Dogs, Rabbits, Goats, Emus, Alpacas, EtcIngredients: Diatomaceous earth & montmorillonite clay (volcanic ash). Search_Phrases: Stable,Stall Deodorizer,Deodorizer,Equine,Absorbent Products Ltd.Absorbent Products Stall Dry Deodorizer 40#