Sacks and bags, not being sand bags, made of permeable fabric containing a substance that absorbs water thereby expanding the size of the sacks and bags upon contact with water and other liquids, for use in diverting and/or absorbing water and other liquids in flood conditions, water spillages, chemical spillages, oil spillages and/or suppressions of blasts or explosions

Polymer-based filler contained in sacks or bags for use against flooding, water spillages, chemical spillages, oil spillages, suppression of blasts or explosions