An empty small bag.
An empty small bag which can be filled with 4 stone weight of sand, gravel or chips. Bought on its own as an empty bag.
4" clean large stone
A much bigger block with a cavity/hole going through the center.
The bigger thicker blocks up from the 4"
A tonne bag of sand.
2" clean medium sized stone
Regular 4" block with a 90 degree offset.
Screenings-Very dusty gravel