Envelopes have a bonding element, such as an adhesive material, applied to a majority of the interior surface of at least one wall of the container, so that seals defining dimensions of the containers can be formed from the bonding element at any desired position along the height or length of a web from which the container is formed.

Webs for forming envelopes include a bonding element, such as a heat-activatable material, applied in closely-spaced strips that extend across at least one wall the web so that seals can be formed at selected locations along the web to allow the sizes of the envelopes to be varied.

Webs for forming envelopes include a bonding element, such as a heat-activatable material, applied in closely-spaced strips that extend across at least one wall the web so that seals can be formed at selected locations along the web to allow the sizes of the envelopes to be varied.

The paper recyclable heat sealable bag includes a heat sealable water soluble inner layer coating and an article of paper. The heat sealable coating is applied to the article of paper by a printing press. As the printing press applies the heat sealable coating to the article of paper, the paper recyclable heat sealable bag may be wound into a master roll with a plurality of paper recyclable heat sealable bags. The master roll is fed into an automatic packaging system which fills the bags with a product from at least one of a top edge and a side edge of the paper recyclable heat sealable bags. The paper recyclable heat sealable bag has certain perforations to remove the paper recyclable heat sealable bag more easily from the master roll and sealed with a heat sealer.

The paper recyclable heat sealable bag includes a heat sealable water soluble inner layer coating and an article of paper. The heat sealable coating is applied to the article of paper by a printing press. As the printing press applies the heat sealable coating to the article of paper, the paper recyclable heat sealable bag may be wound into a master roll with a plurality of paper recyclable heat sealable bags. The master roll is fed into an automatic packaging system which fills the bags with a product from at least one of a top edge and a side edge of the paper recyclable heat sealable bags. The paper recyclable heat sealable bag has certain perforations to remove the paper recyclable heat sealable bag more easily from the master roll and sealed with a heat sealer.