This potting mulch is the bark from Southern Pines, Pine bark has been widely used as a decorative mulch and potting medium for over 50 years, Its fine texture allows water to pass easily while providing a decorative and protective covering for your plants, It decomposes easily, provides nutrients and doesn"t compact, Allows water to pass easily, Its color and texture offers a decorative rustic appearance, Widely used as a potting medium for orchids, Ideal for acid loving plants, 100% Organic, Availability - 4 quart resealable bag with a carrying handle, Coverage- approximately 575 square inches at a1/2""thick, SKU: OHM020