Material: the jam jar lids are made of tinplate, strong and durable, with good sealing, high and low temperature resistant, and can be reused for many times. Package: Bulk with 9 sets of lids and bands for regular mouth mason jars including 9 lids and 9 bands.enough quantity for you to share with your family or friends. Wide application: Mouth Lids wide can be used in all kinds of standard bottles, with good sealing,Suitable for sealing mason jars which store spices, candies, cookies, fruits, jams, soft drinks, tea or coffee. Good sealing: The sealing ring inside the Mason Jar Lid makes the lids of mason jars have good sealing performance, no need to worry about leaks contaminating the kitchen or other places after sealing the materials. Easy to use: The diameter of the cap is about 70mm, which is compatible with most wide-mouth mason jars. The surface of the lid is smooth and beautiful , and it can be cleaned in the dishwasher, and it is easy to install and use.Specifications: Material: Tinplate Color: Silver Size:70mm Quantity: 9 pcs Scope of delivery: 9 Regular Mouth Mason Jar Lid Features: 1.Lids are made of tinplate, not easy to deform 2.Good air tightness, can keep food fresh for a long time 3.The outer edge of the cover ring is threaded to increase friction for easy mason jar opening 4.Suitable for sealing mason jars used to store spices, candies, cookies, fruits, jams Note: ?Please ensure the size before purchasing ?Due to manual measurement, please allow small dimensional errors ?Please keep the cover clean and dry. If the cover touches water, please dry it immediately.