A golf ball 2 has, on a surface thereof, a dimple pattern consisting of a land 10 and a large number of dimples 8. The textile composite includes a fluid retention layer of non-woven fabric formed from a plurality of intermingled textile fibers. The flexible circuit material can be rolled to form a cylindrical or partially cylindrical antenna, such as a dipole antenna. A backlight module using the light guide plate is also provided. The retaining portion has a plurality of inhaling holes defined therein, which are used for sucking dust into the retaining portion during the cutting operation of the milling cutter to the connecting bridge.