GULP MILK / packing box

In the life to cherish every drop of resources.Drink
milk will always leave a little milk in the bottom.
For a drink, it uses near the straws.Side joints as
the drop-down to milk this.Department become the
modelling of three formulas. Straw under the
The formulas of bevel of bevel and three parallel.
Let the milk to a concentrated, it can be light
Loose the milk drink clean.