An empty big bag.
An empty big bag which can hold a tonne of sand, gravel or chips. Bought on its own as an empty bag.
Gravel
Aggregate mix
Blocks
Regular sized blocks used for most building jobs.
The bigger thicker blocks up from the 4"
Quarry Products
A tonne bag of sand.
4" clean large stone
A much bigger block with a cavity/hole going through the center.
Plastering sand
Concrete block that weighs one tonne.
Bags
An empty small bag.