Bolsa laminada con fuelle y sello lateral (2 capas) (1/2 libra o 225 gramos)
This laminated bag has two layers of flexible film, one transparent and one metallic, with side gussets and open front and back for labeling. It provides good protection against oxygen, moisture, and odors, suitable for preserving coffee beans or grounds.
- The description claims that it provides good protection against oxygen, moisture, and odors.