40lb Stall Dry Sand – Non-toxic, non-caustic, safe to use. Reduces bedding costs and saves labor. All natural, organic approved. Contains a blend of food grade diatomaceous earth & Montmorillonite clay (Calcium Bentonite) in a granular form. Neutralizes ammonia while absorbing odors and moisture. Reduces flies & insects in the stall. Safe for all animals excluding reptiles or amphibians. Effective in stalls, barns, cages, pens and trailers.