Adequate quantity for you to use, replace and sharing with your family or friends Quality material: the jar lid and band are made of tinplate and the sealing ring is made of PVC, rust proof and durable, high and low temperature resistant, so it can be served in refrigerators, dishwasher and microwave ovens; suitable size for regular mouth canning jars Can preserve food well: the sealing ring increases the tightness of the canning jar, air tight and leak free, tightly seal ensure it's suitable for keeping food, grains, dressings, drinks fresh, no need to worry about leakage that may contaminate the kitchen or other places after sealing materials Practical split design: split design makes it fit more lids, the band can be applied in combination with silicone fermenting lids and sprouting lids, the screw which threads on the bottle mouth increases the friction force of hands, which facilitates the opening of the bottle Widely usages: can use for sealing the canning jars to store spices, sweets, biscuits, fruits, jams, soft drinks, tea or coffee, nails, screws and other small objects, it is not suitable for wide-mouth canning jars, please confirm the size of canning jars before buying Colour: Silver Material: tinplate Size: 70mm Package Contents: 50 x Canning jar lids 50 x Canning jar bands Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.