Black & White River Rock (3/8″, 3/4″, 1.5″) Category: Decorative Rock Description Description Smaller decorative river rock. Very nice in decorative flower bed areas and water features. Related products Mexican Beach Pebble (1″ – 2″) Read more Rainbow Cobble (8″ – 16″) Read more Mexican Beach Pebble (2″ – 3″) Read more Crushed Black & White Granite (5/8″) Read more