Amazon mailers can be reused. Amazon mailers completely made of plastic can be recycled at the drop off locations listed below along with plastic bags and plastic film. 

Other types of envelopes completely made of bubble wrap can also be recycled as plastic film.  However foil bubble mailers that are made of foil / reflective silver material are NOT recyclable and should be thrown away in the trash. They should never be put in plastic film bins or in curbside recycling. 

Envelopes made of Tyvek material or envelopes with paper on the outside and bubble wrap on the inside cannot be recycled and should be reused or thrown away in the trash.