1. [Mirro M-0598-11 Gasket] Crafted from high-quality, durable food-grade silicone, this gasket is factory sealed and individually wrapped to ensure cleanliness and longevity. 2. [Compatibility] Designed for 4, 6, and 8 quart pressure cookers. This gasket replaces part numbers: S-9892, S9892, 9892. It fits a range of Mirro models, including but not limited to: M-0296, M-0436, M-0498, M-0536, M-0596, M-0598, M-0646, M-1952, and M-1956 (includes models with -11, -35, etc., such as M-0536-11). 3. [Dimensions] Outer Diameter (OD): 10.08", Inner Diameter (ID): 10", Thickness: 0.4". Note that all dimensions are approximate, as gaskets can stretch or shrink to fit specific lids. 4. [Easy Installation] For optimal fit, measure your old gasket and pressure cooker pot before purchasing. Gaskets are manufactured slightly larger (up to 1") to accommodate normal shrinkage. Soaking the gasket in warm water for 10 minutes prior to installation can enhance its flexibility, making it easier to fit. 5. [Practical Applications] Perfect for everyday cooking, this gasket ensures a reliable seal during pressure cooking, helping to retain flavor and moisture in your meals. Whether you're preparing soups, stews, or canning, this gasket promotes efficient cooking and safety. Ideal for home cooks seeking to maintain their pressure cooker's performance while ensuring delicious results.