... 2,Material: 100% natural stone 3,Level: High polished 4,Shape: Round white polished pebble stone Superfine grade / extra grade size:2-3cm1 ... landscaping, paving, building, home decoration 4 Product class range polished pebble(super class, first class, second class) 5 Size Range 1 ... etc 6 Color Available black, yellow, red, green, gray, white, mixed 7 Process wash, polish, wax 8 Feature good quality ...