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A UN research report pointed out that there were 1.2 billion people in the world confronted by the serious water shortage problem. The Stretch Bucket is a new design for saving water. When it is filled with water, its height can be lengthened for preventing the water from spilling out. If water is held in a common bucket, it will spill out easily when it is moved, and some may even wet your pants and shoes. When the Stretch Bucket is full of water, the water surface can still be 3 cm from the edge of the bucket. Thus, it can help you avoid such an embarrassing situation.