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.
Quarry Products
Drainage stone-small smooth rounded stone
4" clean large stone
Blocks
Concrete block that weighs one tonne.
The bigger thicker blocks up from the 4"
A much bigger block with a cavity/hole going through the center.
Bags
An empty small bag.
Regular 4" block with a 30 degree offset.
Regular sized blocks used for most building jobs.
Chips
Small empty heavy duty sand bag.