1 aluminum foil cover is compatible with espresso capsules. 2. Made of food grade aluminum foil material, environmentally pleasant and non-toxic. 3. This label is used to supplement stainless-steel coffee capsules. 4. The tablets of the capsule mechanical device would be reused, and you may fill the empty drugs yourself, equivalent to stainless-steel empty capsules, PP empty capsules. 5. The beautiful appearance, tight sealing and straightforward tearing affect improve the product quality. Colour:As proven Material:aluminum Size: 37mm Package Contents: one hundred x Aluminum Foil Lids Only the above package content, different merchandise aren't included. Note: Light and varied reveals could cause the colour of the object within the photo a chunk diversified from the genuine thing. The size allowed error is +/- 1-3cm.