Packing peanuts are a lightweight, fluffy material consisting of pellets often made of styrofoam or a biodegradable foam, used for shipping items (usually in a cardboard box) to fill space and protect the contents against shock and movement.

See also:

• cardboard box
• styrofoam
• bubble wrap

External links:

• Wikipedia (Foam peanut)
• Japanese Wikipedia (緩衝材)

View wiki