A great utility item, can be used for several effects including :-

The magician takes a glass of milk and pours it into a paper cone. He immediately opens the paper cone showing it is empty and dry: The milk is gone! This new model has more capacity, better design and works perfectly!

The magician holds a full glass of milk in one hand a pops a straw in his mouth. As he pretends to drink through the straw the milk vanishes despite the glass being nowhere near the straw.