An empty small bag.
An empty small bag which can be filled with 4 stone weight of sand, gravel or chips. Bought on its own as an empty bag.
A much bigger block with a cavity/hole going through the center.
Drainage stone-small smooth rounded stone
Screenings-Very dusty gravel
4" clean large stone
Concrete block that weighs one tonne.
A tonne bag of sand.
The bigger thicker blocks up from the 4"
3/8" Chips. Very small stones