HOST®'s breakthrough technology ensures that each glass of wine is perfectly decanted instantly. Using the Bernoulli Principle, HOST®'s variable aerator enhances any wine by softening tannins and releasing flavor. -Variate the aeration by tilting shallow, moderate, or steep while you pour -Accommodates mild, moderate, and heavy aeration -Built-in stopper for preservation -Made from BPA-free plastic -Small size is convenient for traveling