Description Made from premium and supple silicone, the sealing rings for mason jars lids will stretch slightly to fit well. Simple structure, light weight, easy to use, and will not easy to tear or break. Featured by airtight sealing, can protect your food inside the jar, keep it maintain good taste. Features - Color: White -Material:Silicone - Size: 8.60X8.60X0.30cm/3.38X3.38X0.12in - Our sealing rings for mason jars are thicker and have a groove for a secure fit, will not skid easily. - Supple and smooth, easy to clean and reuse, silicone gasket for glass jars can better keep food fresh and dry. - Super usability and can be a must-have silicone seals for glass jars for families, owning good sealing effect. - Premium materials, flexible, not easy to tear or break, these silicone rings for jar support long term using. - Good for sealing mason jars which store jam, vegetable, sauces, fruit, the mason jars lid rings can better satisfy your demands. Our sealing rings for mason jars are thicker and have a groove for a secure fit, will not skid easily. Supple and smooth, easy to clean and reuse, silicone gasket for glass jars can better keep food fresh and dry. Super usability and can be a must-have silicone seals for glass jars for families, owning good sealing effect. Premium materials, flexible, not easy to tear or break, these silicone rings for jar support long term using. Good for sealing mason jars which store jam, vegetable, sauces, fruit, the mason jars lid rings can better satisfy your demands.