MSI Piedra LPEBQBLK3POL40 .75"-1.25" 40 lbs Polished Landscaping Pebbles Black feature a dark charcoal black tone, and all the character of natural beach pebbles. These fine polished quartzite pebbles suit a variety of landscaping projects. Use to create wandering paths, to keep weeds at bay around trees, and to accent landscape features including fountains and water features.