Fixed double -deck sand bag

The utility model relates to a fixed double -deck sand bag. It includes sand bag body, a fixed cover, two waterproof covers, prevent that water jacketed one side is equipped with waterproof zip fastener, the sand bag body is placed in the waterproof cover, continuous just opening is located the poke of upside around being equipped with 2 in the fixed cover, be equipped with semi -circular flip on the opening of poke, flip through first button with the poke links to each other, waterproof cover is located in the poke, one side of fixed cover is equipped with the magic and pastes the fixed band, the opposite side of fixed cover is equipped with fixed latch closure, the sand bag body is linked to each other by the little sand bag that a plurality of size is the same and forms. The utility model discloses convenient to use, wide range, prevent shifting, the anticreep is waterproof.