Loại
Tưới nước & thủy lợi khác
Vật liệu
Non-woven fabric/canvas
color
Dark green/black/yellow
Product Name
Automatic Water-absorbing Flood Control Swelling Bags
Outer layer
non-woven fabric or canvas
Inner material
rmy green or black blue
Custom made
sizes and colors
Usage
water-activated flood barriers
Feature
water absorption expansion rapidly
Expansion time
3 to 5 minutes