What’s the difference betweet sous vide bags?

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Comparing the technology of co-extruded sous vide bag and laminated sous vide bag, co-extruded sous vide bag has the following features:

More rigid.

Uneasy to be pulled

Not easy to be elongated.

Not easy to leak

Solvent free residue

Comparing the surface of channel sous vide bag and smooth sous vide bag, channel sous vide bag has the following features:

The air can be squeezed out thoroughly

More fit for irregular foods.

must be used with external suction machines

Comparing the shape of bag roll and die cut bag, bag roll is more suitable for home cooking.