[PERFECT FIT] 100% fit ball and kerr brand regular mouth mason canning jar. [SPLIT DESIGN] The lids and rings can be combined or used separately, which can meet your various needs. Convenient for you to replace the lids or rings after a long-time use or damage. [SAFE TO USE] Safe metal lids with BPA free silicone seals. It's suitable for keeping food, grains, dressings, drinks fresh. Lids are for one-time use only. [HIGH-QUALITY] Our jar lids and rings are made of high-quality tinplate. The sealing rings make the canning jar lids have good leak proof and tightly seal. [WIDELY USED] for regular mouth mason jar that stored food, jams, fruits, spices, sweets, biscuits, soft drinks, tea or coffee, and other small objects. Please make sure the size before purchase. colour: silver Material: tinplate Size: 70mm diameter Package Contents: 20 x Mason Jar Lids 20 x canning bands Only the above package content, other products are not included. Note: Light reflection 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.