A lightweight void-fill packaging product which is used in packaging a variety of products.  They fill up space around irregular-shaped items to keep them secure during transport.

Polystyrene chips absorb much of the impact that a package may suffer, keeping fragile
or delicate items safe from harm.  They also absorb moisture which may otherwise cause harm to items in the package.

Packed in bags:  1/3 x m³

Regrind polystyrene is made from clean packaging polystyrene.
It’s an excellent insulator for wonder cookers or for the filling of cavity walls.
It can also be used with cement to form a lightweight concrete.
 
Packed in bags: 1/3 x m³