... , 3-5mm, 5-8mm, etc. 3. Color: white, black, yellow,red, grey Small round white cobble stone Characteristics of pebble cobble stone ... ; 4-6cm, etc. 3. Color: color mixing, red, black, yellow, white, gray, etc. 4. Usage: Garden decoration materials, home decoration materials, hotel ... or independent small bags, according to clients' need. Small rounnd white cobble stone