Evarbuild These canning jar lids contain integrated silicone gasket, which contains nicely airtight, watertight and leak-proof function and can form a a sealed space for storing dry goods or drinks, such as beans, cookie, , jam, oil, honey, and more.colour:whitematerial:plasticPackage Contents:10 * Wide mouth cover (86mm)10 * Ordinary mouth (70mm)Only the above package content, other products are not included.Note: Light 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.