4" x 6" Heavy Duty Shrink Bags 500/Case cool shield bubble wrap Perfect for shipping heavy-duty objects

Perfect for shipping heavy-duty objects like industrial parts and metals rods

Envelopes expand to hold bulky items

This brown paper tape is stronger and more resistant to moisture than masking tape and adds professionalism to your shipping boxes

75lbs per cubic foot nominal density

7 mil to heavy duty 3 mil

4" x 6" Heavy Duty Shrink Bags 500/Case cool shield bubble wrap Perfect for shipping heavy-duty objectsOur heavy duty shrink bags are made from 100 gauge pvc shrink film to create a secure and clear professional package. These bags are NOT FDA approved. Use our heat sealer to seal the shrink bags then use a heat gun to shrink the film to conform to your product. See also our domed style shrink bags as well as our non shrink polypropylene bags.