Features: Constructed from aluminum, this 54mm sealing film delivers outstanding sealing and oxygen barrier capabilities, perfect for both own and professional settings. Each package contains 200 sealing films, precisely sized for common coffee containers, boasting over 98% seal efficiency to keep contents freshness and aromatic. The aluminum build ensures high resistance to heat and tearing, maintaining integrity at elevated temperatures and offering ease in cleaning and handling. Aluminum films surpass plastic in protecting against light and oxygen, more effectively maintaining coffee taste and ensuring uniform sealing for outcomes. Ideal for home, office, and cafe environments, this sealing film streamlines coffee container setup, making it for small-scale coffee ventures and coffee aficionados. Specifications: Component: Aluminum foil Color: Gold Diameter: Approx. 2.13inch(54mm) Package Includes: 200x 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.