Solar Cooling Cap

Solar Cooling Cap: 1, the solar cell: the non-brilliant silicon solar cell; 2, the material for making the outside: the full cotton yarn card (Recommend); 3, after puts up the knot: according to the needs (Recommend plastics seven apertures in the human heads are put up the knot); 4, the customer can have something making order to the pattern or the characters (can select silk screen stamp or computer embroider).
Solar Cooling Cap