Filter by the company Spring, in which you add herbs such as tea, chamomile, lemon verbena, and anything else you desire, to enjoy a flavorful beverage. Place it in a mug, glass, or teapot with hot water and let the herb steep for about 3 to 5 minutes. It is made of stainless steel, resistant to wear, suitable for long-term use, without the risk of corrosion.