A touch sensing device includes a touch screen coupled with a display panel including data lines, gate lines crossing the data lines, and pixels arranged in a matrix form, and a touch sensing circuit which supplies a driving signal to lines of the touch screen and senses a touch input. These materials are synthesized by sequential growth techniques such as the seed growth technique. Then, the airbag packet is enclosed in a gastight manner by a flexible envelope, wherein the airbag packet is at least partially enclosed by the envelope while it is still in the folding apparatus. A valve member is at least partially disposed within the valve housing and defines a valve passage. 0, and the ratio of the tooth height h to the pitch p is: hp0.