Currently bottles are manufacturing with the same capacity(0.25 liter). It is better to spend the cost of it as a medium to convey messages, without the advertising media to be paid. However it can manufacture with an environmentally friendly material like recyclable paper. A semi-circular shaped bottle openings, is coordinating with the oral form and we
have a better drinking.
Wish everyone to know that our share of clean water will get to half, to a quarter, and to nothing, soon. So let's not pollute the symbol of purity.