• The sandbag is made of high density thickened canvas, with excellent quality, waterproof, impermeable and not easy to damage.
• Before the tide arrives, place this sand-free sandbag in a protected area, and you can water it in advance to expand it. The expansion process takes a few minutes.
• Water activated sand-free sandbags can be placed in a dry place when not in use; water gradually evaporates and collapses again, and then expands again when it hits water.
• It can be used in water protection material supply stations, property communities, underground corridors, subways, basements, residential buildings, garages, shops and schools.
• Size: 70cm x 30cm

What's in the box
1 x 4 Piece Flood Barrier Bag 70cm