Work summary: overweight young rolls cup is a food grade silicone based building environmental protection household, outdoor water cup, the cup is solved resistance to fall off, is not convenient to receive the problem such as, a key to achieve our accessories with the least amount of open closed, in the simplest way of assembly to realize the direct drinking and mouth pieces the combination of the two types of drinking, we also realize the combination of the large capacity and small volume; Design purpose: environmental protection and health care are more and more attention to modern life style, small fat dun roll cup is also based on these two points and design and production; Background: environmental protection is increasingly tense, environmental protection is imperative, the country protects us, the environment has nurtured us, we should also for our country, our environmental protection out of a force, heart do temperature products, love to pass the world, this is our original product