Our company produce the New Aquarium gravels.here find attached some photografs your ref..
Our gravel Avaliable in seven colour.it is Natural stone and Natural colour and machine polished .

colour are :

1 - white

2 - black

3 - grey

4 - Rose pink

5 - brown

6 - green

7 - yellow

This gravels round in shape, but they are polished and all sharp edges have been removed.
If you require them in small packing, printing and packing we can do it your Requirement.
we can supply you in bulk quantity most FOB competitive price.
if you have requir more detils please let me know.