Cobblestone is renowned for it's use in the building of early streets in England. Cobblestone is essentially a large pebble that is smoothed on the edges. There are a great many uses of cobble stone in landscaping and other construction projects.
Noiyo Cobblestone 1 1/2
Noiyo Cobblestone 2-3
Noiyo Cobblestone 3+
Mexican Beach Pebble, Black 1/"
Mexican Beach Pebble, Mixed Color 1