Self inflating flood sandbags' 400x600' for flood dam 

Self inflating flood sandbags' 400 x 600'mm for flood dam. The Self-inflating sandbags also called water absorption expansion bag, which is used for the temporary flood control works, such as c,  enclosing the water to prevent the overflow, engineering closure, the blockage of the ditch and the dark hole, wave elimination and flood  prevention, strengthening the flood control dyke at any time, urban waterproof sub-dyke, block waterproof wall and so on.  This self-inflated flood bag widely used for garage, door, metro enclosure and so on. The Self absorbent bag Specifications：  Product name  Self inflating flood bag ' 400 x 600' for flood dam Material  Ploymer Non-woven Model  DP400 Dimension Length 400 mm *Width 600 mm…