Food grade material for your food safety. Easy to carry. With a capacity of 15 ml, perfect for a cup of coffee. Universal size suitable for food packaging. How to use: 1. Fill in the coffee grinder. 2. Place on the silicone seal (remove it from the capsule) and cover with the aluminum lid. 3. Seal the cover using a machine sealer. 4. Insert into coffee maker. Please note: This must be sealed with a professional sealing machine. Type: Coffee Item weight: 2 g (approx.) Size: Upper diameter 37 mm, 30 mm high Material: Aluminum foil Color: Black Package Contents: 100 x Coffee capsule Only the above package content is included; other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowance is +/- 1-3 cm.