Rounded or angular pebbles, usually in the 3mm to 18mm range.
Vast range of colours and sizes.
Cheaper alternative than other materials.
Good for paths, drives and in the garden.
Beautiful when they're laid properly.
Typically in the range 50x50x50mm to 350x200x250mm, and every possible size in between!
Variety of rock types and colours.
Reclaimed sets are readily available.
Also used for drives, paths and patios.
Many Other Materials used in combination with stunning effects.
Very cheap and easy to install.
May need regular 'topping-up'.
Only really useful in garden/landscape settings.
Medium maintenance requirement.