Description Made of silicone, the sealing rings for mason jar lids provide a reliable fit and stretch slightly to ensure compatibility. Over time, old silicone seals may wear out, so replacing the seal ring helps maintain airtight storage and improves jar performance. These replacement rings are practical and essential for everyday kitchen use. Features - Color: White - Material: Silicone - Size: 9.20 x 9.20 x 0.50 cm / 3.62 x 3.62 x 0.20 in - Flexible silicone construction allows for easy installation on mason jars and other storage containers - Stretchy design ensures a secure fit on jar lids - Provides a leakproof seal to help keep food fresh - Durable silicone material suitable for regular kitchen use - Safe for use in refrigerators and freezers - Ideal for pantry storage, food transport, and drink storage without leaks Package List 40 x Silicone Gaskets for Jar