Mexican Beach Rock, 2"-3"---$28 per bag Price: $28.00/per 50 pound bag Description: These are smooth, black Mexican river rocks. Size: 2"-3" Uses: The smooth finish and deep coloring of these Mexican beach pebbles is perfect for a variety of head-turning uses: water gardens mosaic paving accent ground cover and much more. Recommended Coverage: Approx. 2 square feet per bag Colors: Dark blue gray, black