1.【Compatibility】Our aluminum espresso sticker is compatible with NESPRES series coffee machines, compatible with Xiaomi Xinxiang series coffee machines (including Xiaomi Xinxiang first generation, second generation, Mini, etc.), as well as NES series brand coffee machines and portable coffee machines on the market. 2.【Economical and Practical】The aluminum foil lid for reusable Nespresso coffee capsules is made of aluminum foil material, it can do the job of reusable capsules, providing an extraction and rich crema. They are environmentally friendly and non-toxic, reducing waste in the process and saving your money. 3.【Prepare and Store】When self-adhesive foil seals work with reusable capsules, they can allow you to preserve the filled coffee capsules. Freshness can last up to 5-7 days. Prepare your coffee capsules in advance and store them for later use, while still enjoying the convenience of the machine. 4.【Easy to Use】Aluminum espresso lid self-adhesive foil sticker can be easily sealed tightly without the help of a sealing machine, and would never leave any sticky stuff on the edge after being removed from the capsule. 5.【Item Included】100 pcs aluminum foil seals, 1.5 inch/37 mm in diameter