Scotch Curbside Recyclable Padded mailers feature a durable multi-layer paper-based construction that protects you items and are curbside recyclable. Theses self-sealing mailers provide similar impact protection as traditional bubble mailers and offer water resistance during shipping. While lightweight, these mailers are built to withstand rough handling. Envelopes measure 10 1/2" x 9", 50 per box.