Description These tin lids are perfect for all your storage needs! Durable and, will last a long time. Withstand repeated uses and washings, Perfect for the freezer and refrigerator as well as dry storage. If you are not sure if our lids can fit your Mason jar properly, please measure your Mason jar before placing an order. Features – Material: Tinplate – Size: 7x7x1.5cm 2.75×2.75×0.59in – Tinplate cup lids will last a long time. Guaranteed to always seal and never to rust. – Easy to open and close, your items from direct sunlight, high temperatures, and body heat. – These mason jar lids are the ultimate tight and fully covers. – Tinplate seal cover, can keep a secure hold and reduce the risk of messy leaking when you carry it or in travel. – Suitable for mason jar with 7cm mark opening. please measure your Mason jar before placing an order. – Color: Golden. – Size: 7x7x1.5cm. Package Including 12 x tinplate cup lidsTo ensure firmness and fit, not easy to slip or move, tightly sealed to ensure that the food is fresh, after sealing, there is no need to worry about leakage will contaminate the kitchen or other places. The sealing ring made of food- grade environmentally friendly silica gel is used inside the can lid, so that the Mason can lid has good sealing performance, air tightness and non- leakage. Each can sealing ring is designed with a small groove,. The tank lid and belt are made of tinplate, which has excellent sealing and corrosion resistance. The smooth surface is not easy to crack, peel or corrode. Therefore they are very durable and can be used multiple times. In addition, it can be used in refrigerators, dishwashers and microwave ovens due to its high temperature and low temperature resistance. The sealing ring enables the lid of Mason jars to be tightly sealed, ensuring that mason jar is suitable for keeping food and seasonings fresh without worrying about leakage. Fit small 4oz wide mouth jars all the way to large 64oz wide mouth jars. They are great gifts for friends who love canning jars for kitchen storage and food prep.