The sachets - called Cellopore - are made from special cellulose film that acts as a natural nano-filtration membrane. When a sachet is placed in contaminated water, it starts to collect safe water by osmosis. More than 99.9999% of all known bacteria, viruses and impurities remain outside the sachet.
Both mono and duplo Cellopore sachets have been developed. The duplo version includes a range of foodstuffs in the top part of the sachet that can be reconstituted inside the sachet. It is simple to use and requires no measuring or boiling.
The main benefits of Cellopore sachets are that they: