Guides

Water-soluble packaging, explained

Written by the people who make the film. No fluff — what to specify, what to test and where projects usually go wrong.

Pallets of water-soluble PVA film rolls in a warehouse, sorted by dissolving grade

PVA film grades: cold, warm or hot water?

How to choose a water-soluble PVA film grade. What cold (20-30C), warm (40-60C) and hot (70C+) films are for, what changes dissolving time, and what to test before ordering.

Read the guide

More guides are on the way — the next one, PVA bags for fishing: what to specify, goes live on 2026-10-11.

Not sure which film you need?

Tell us what you pack, your bag size and your process water temperature. We come back with a film recommendation and a sample plan.

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