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.
Blocks
A much bigger block with a cavity/hole going through the center.
Gravel
Clause 804
Quarry Products
4" clean large stone
Chips
3/8" Chips. Very small stones
A tonne bag of sand.
Regular 4" block with a 90 degree offset.
Bags
Small empty heavy duty sand bag.
Aggregate mix
Drainage stone-small smooth rounded stone
Plastering sand