Features: brand new and high quality Food grade metal lids: The regular/wide mouth jar lids are made of tinplate, which can withstand high and low temperatures. They can be used in refrigerators, microwave ovens and dishwashers.They can be reused multiple times, saving money and for time. Good Sealing Performance: The canning lids contain silicone ring to makes the canning lids have good sealing performance, leak free, airtight effect ensures. for regular/wide mouth Ball, Kerr jars, airtight for canning food, fruit, jams, etc. Method: When you receive the mason jar lids, please first take the lid out of the seal, then gently put the lid on the jar, and finally put the seal outside the lid, and gently twist the seal. Personality Features: We provide a DIY area on the mason jar lids. You can write the date or name directly on the lid surface with a permanent marker so you can easily identify the contents of the jar. Versatile lids: You can use jar to store homemade pickles, jams, jellies, preserves, tomato sauces, salsa, broths, screws or other objects, and you do make some cream pies or directly DIY the lids to be a adornment. Regularly share the delicacy or happiness with family & friends. Specifications: Material: Tinplate Size: Approx. M: 68mm/2.68 inch (Regular Mouth) L: 84mm/3.31 inch (Wide Mouth) Color: Silver Style: for M, L (2 Choices Optional) Package Includes: 100 Pieces Wide/Regular Mouth Canning Lids (No Band ) note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflec0.75 the actual color of the item. 3.Please keep the lids clean and dry; if it touches the water, please dry it immediately 4.The edge of the lid is a little for sharp, so be careful not to cut your fingers.