Feature: 1. Heat Proof Silicone: Made from high temperature proof silicone, this O loop withstands extreme heat without deforming or losing elasticity, ensuring your coffee machine's optimal performance. 2. Superior Watertight Protecting: Offers excellent watertight capabilities, preventing damp and liquids from seeping into the coffee machine components, safeguarding internal parts against water damage. 3. Precise Sealing Craftsmanship: Manufactured with accuracy, the seal gasket fits tightly with the coffee machine, ensuring excellent sealing to prevent leaks and water loss. 4. Outstanding Durability and Longevity: Rigorously tested for durability, the seal washer maintains its sealing and rain proof functions over time, resisting aging, hardening, and breakage. 5. Food Grade Safety Compliance: Made with food grade silicone, the coffee machine O loop ensures no adverse effects on coffee taste or health, and its reusability reduces environmental impact. Specification: Item Type: Coffee Machine O Loop Material: Silicone Color: Black and Red Diameter: Approx. 4cm/1.57in, 1.4cm/0.55in, 1.3cm/0.51in, 0.9cm/0.35in, 1cm/0.39in, 0.6cm/0.23in, 0.7cm/0.27in. Package List: 30 x Coffee Machine O Loop