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
Regular sized blocks used for most building jobs.
Chips
3/8" Chips. Very small stones
Quarry Products
4" clean large stone
Bags
An empty small bag.
Drainage stone-small smooth rounded stone
Regular 4" block with a 90 degree offset.
Concrete block that weighs one tonne.
Small empty heavy duty sand bag.
The bigger thicker blocks up from the 4"