HOST®'s breakthrough technology ensures that each glass of wine is perfectly decanted instantly. Using Bernoulli's principle, HOST®'s instant aerator enhances any wine by softening tannins and releasing flavor. Variable aeration - the more you tilt, the more it aerates Built-in stopper for easy preservation BPA-free plastic Small size convenient for traveling Stand included! Weight: 0.14. Dimension: 5.5" x 2" x 2".