Margo 20lb. Decorative Pebbles River Rocks Colored Stones Large Striped Grade A Polished Pebbles 2 in. to 3 in. Easy to accent Grade A Striped Polished Prevents erosion, helps soil retain moisture Pebbles size 2 in. to 3 in. Coverage area of 1.5 sq. ft. at 3 in. of depth; 2.3 sq. ft. at 2 in. of depth