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 Filling in The Coffee Grinder 2. Put on the Silicone Seal (Take it out of the capsule) and Cover the Aluminum Cover Lid 3. Seal the Cover using Machine Sealing 4 Put Into Coffee Maker Please note: This must be sealed with a professional sealing machine! Type: Disposable coffee Item weight: 2g (.) size:Upper diameter 37mm 30mm high Material:Aluminum foil colour:black Package Contents: 100 x Coffee capsule Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.