Tea sachets are small, sealed bags filled with loose tea leaves, herbs, or other flavorings. They are designed for convenience, allowing users to brew a single cup of tea without the need for measuring or straining. The sachets are often made from materials like paper or silk, which allow water to flow through while keeping the tea contained. These sachets come in various flavors and blends, catering to different tastes and preferences. Popular types include black tea, green tea, and herbal infusions. Many people appreciate tea sachets for their ease of use, making them a popular choice for both home brewing and on-the-go enjoyment.