Bags
Small empty heavy duty sand bag.
Blocks
Concrete block that weighs one tonne.
The bigger thicker blocks up from the 4"
Quarry Products
4" clean large stone
Chips
Drainage stone-small smooth rounded stone
Regular sized blocks used for most building jobs.
Gravel
Aggregate mix
Screenings-Very dusty gravel
A much bigger block with a cavity/hole going through the center.