THICKENING MATERIAL: Made of ABS plastic, splicing design, impact resistance, sturdy and load-bearing . VARIOUS PLACES: suitable for property, municipal flood control, shopping malls, highways, dams, garages, subway stations and other flood control and waterproof places. L-SHAPED FLOOD PREVENTION PRINCIPLE: the weight of the water on the bottom of the baffle, the weight into pressure, even if the flood reaches the top of the baffle, can still be very solid will not tip over, the higher the water level the more reliable effect of water blocking. SKID STRIP: the water locking function of the water blocking strip at the bottom of the flood prevention board can water infiltration, and the skid strip is used to increase the friction between the bottom and the ground. WATERPROOF AND SEALED: Each piece is connected by buckles , suitable for use on level ground, the bottom friction piece is in contact with the ground, 90°L-shaped waterproof layer, easy to store and stack, easy to move.