MEN'S MAX Airplane Cup This hybrid cup structure "Smart Style" has two holes of different softness, and you can enjoy two different types of stimulation at any time, non-penetrating and penetrating, by opening and closing the lids provided on the top and bottom. This is the world's first airplane cup that you can adjust and enjoy according to your own taste. It can switch the smart structure with one button, and replace it with tight stimulation and leisurely pleasure. All the desires you want are in this airplane cup.