The cover above can be unscrewed so that heat can be slightly dissipated through small openings on the top of the cup. In this way, consumers will not scald themselves by hot water. It is also dustproof because the cover does not need to be opened while dissipating heat. Meanwhile, the stream coming out through small openings makes people feel that warm breeze blows their faces. As to its appearance, the body of Hefeng cup is black and the overall style is simple, which makes it almost suitable for everyone.