The utility model discloses a three area double storehouse formula dry and wet
gas separation bag relates to cosmetic packing technical field. The separation bag main part includes the first chamber for containing liquid, the second chamber for containing
dry powder and empty chamber, and three chambers are in triangle arrangement, and the first chamber is side by side with the second chamber on, and the empty chamber is semicircular, is set in the below of first chamber and second chamber, is provided with the edge sealing between three chambers and divides, is provided with the first edge sealing between the first chamber and the second chamber, and is provided with the second edge sealing between the first chamber and the second chamber and the empty chamber, and the width of second edge sealing is less than the width of first edge sealing. The utility model not only can realize the dry and wet mixture of commodity under the condition that outer
package is unopened, and the second edge sealing between the empty chamber and the first chamber and the second chamber is thin and easy to break through, and the liquid and
dry powder in the first chamber and the second chamber can be mixed by pressing the empty chamber, and the mixing is easier and the effect is better.