this cool water soluble interlining is used for the embroidery allocation and the operation is the same with the paperboard. Its water solubility completely meets the strength requirements all kinds of embroidery cushions which are always applied in the bottom. Its stretching effect is so strong that there will be no yarn breakage, pin- parataxis, and hole-aberrancy. The speed of solution is so fast that it can be completely dissolved in the water with normal temperature of 20 within five to eighteen seconds without any leavings such as draw-thread or gumming. The color of the cloth dissolved is the same with that before solution. It is environmentally friendly, formaldehyde-excluded and side-effect-free. (It can decompose into vegetable fecula, water and carbon dioxide through solution.) It can be applied in all kinds of top-grade underwear, fashionable dresses and laced embroideries.