Features: Ensure your coffee's freshness with our self adhesive aluminum foil lids designed for 45mm refillable capsules, providing a perfect seals against air, moisture, and light. Crafted from food grade aluminum foil, these lids boast excellent oxygen barrier properties and are heat resistant, ensuring your coffee retains its original flavor and quality. Ideal for coffee enthusiasts, cafés owners, coffee creators, and home users who seek to maintain the highest coffee standards and enjoy freshness brews daily. Perfect for home kitchens, cafés, offices, and outdoor activities like camping or traveling, offering convenience and quality wherever you brew your coffee. With easy application and no need for additional tool, these portable lids save time and effort, making them essential accessory for any coffee lover's toolkit. Specifications: Component: Aluminum Foil Single Diameter: Approx. 1.77inch(4.5cm) Package Includes: 100x Aluminum Seals note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.