MIGHTY109 Natural Redwood Chips 48 quarts R.R. Big Box Special MIGHTY109 100% Natural Redwood Chips. Natural and not treated. Great in landscapes around plants and pathways. 48 quarts provided Natural, durable material for creating appealing flower beds and garden areas Keeps soil covered, replicating the natural mulching and decomposition process that occurs in undisturbed woodland settings. Helps prevent soil erosion, regulate soil temperatures, reduce weed growth and conserve moisture