The “No Slurp Cup” is made of a special sound proof material. The mechanism is very simple. Drinks won’t make slurpy sounds anymore.  All you need to do is activate the piston by moving it up and down. A tiny pump is placed inside the cup. It compresses all the liquid in a small section inside the cup.

To release the drink gently you simply need to push a button on the back of the cup and sip it smoothly without making any noise.