Quality material: Made of silicone, these replacement silicone seals are stable and durable, will not absorb odors, and are safe for food contact, making it convenient to replace washers and help keep food fresh in containers. Shock absorption: The jar lids require a sealing ring to help prevent leaks during use, providing a cushioning effect for smooth bottles and assisting in food storage. Wide applications: These replacement silicone gasket seals are suitable for everyday storage and travel, ideal for dehydrated food storage, refrigerator and freezer use, pantry organization, transporting food or beverages without leakage, and use with homemade fermenting lids. Sufficient quantity: Includes 12 silicone jar gaskets in 3 colors (white, orange, red), offering adequate quantity and color variety to help distinguish between different containers. Common size: The outer diameter of the airtight silicone gasket is approximately 9.5 cm (3.75 inches), with an inner diameter of 6.9 cm (2.75 inches), making it compatible with most standard mouth canning jars to help preserve homemade food, beans, cheese, vegetables, and more. Color: White, Orange, Red Material: Silicone Package Contents: 12 x Silicone Gasket Note: Light and display differences may cause slight variation in color between the image and the actual item. Measurement error is +/- 1-3 cm.