Raincoat: is generally a rainproof coat made of waterproof cloth. Raincoats are always made of the materials of waterproof fabrics such as adhesive tape, oilcloth and plastic film. As a modern advertising carrier, advertising umbrella has the advantages of large liquidity, bright color and good visual effect, its pattern design will not be limited, and the structure can be arbitrarily selected, beautiful and durable, high quality and low price, etc., which has become an important form of enterprise advertising.