Packing peanuts are usually made of styrofoam, which is not recyclable in Humboldt County. Packing peanuts can be diverted from the waste stream and either reused or donated for reuse locally.
Try these reduction tips:

Buy Biodegradable Packing Peanuts
Consider purchasing cornstarch based packing peanuts. These are made from a renewable resource and completely dissolve when immersed in water.