Feature: 1. STRONG COMPATIBILITY: Coffee aluminum foils lids are designed for refillable and disposable capsules. Coffee foils build pressure to produce an excellent cup of coffee. 2. ALUMINUM FOILS: Aluminum foils lids are made of aluminum foil material, which can withstand 150‑180℃ high temperature, environmentally friendly, reducing waste in the process and saving resources. 3. EASY TO USE: Coffee capsules foil seals are easy to use, just pour some coffee grounds into the used capsule case and add the aluminum foil lid to the refillable coffee capsule cup. 4. SELF ADHESIVE: Disposable coffee aluminum foils lids are self adhesive, easy to seal without the help of a sealer and easy to tear. Place the foil lids on the rim and then gently press around the rim to seal coffee pods. 5. PRESSURE GENERATION: Coffee aluminum foil lids stickers create pressure inside the capsule during the brewing process, resulting in rich oils in your favorite coffee. Specification: Item Type: Coffee Aluminum Foils Lids Material: Aluminum Foil Gross Weight: 37-81g/1.3-2.9oz. Package List: 50 x Coffee Aluminum Foils Lids Note: All data are measured manually, and there are certain errors in the measurement results.