T-Sac tea filters bags are all made in Germany with natural fully compostable and biodegradable, chlorine free manila hemp. These T-Sac disposable filter bags come in a box of 100. Size 3 is perfect for three to eight cup teapot and holds seven teaspoons of loose tea. Each bag is approximately 3.3" (8.38cm) wide and 5.4" (13.72 cm) tall with a 2" (4.5cm) flap for closure on top. Shipping weight is 0.16 pounds.