Turn any size mason jar into an air-tight storage container with 'Tough Tops'. Unlike other plastic lids that bend and buckle, or metal canning lids that rust and scratch, 'Tough Tops' are built to last. The underside of each lid has a custom gasket-channel that holds the silicone gasket in place at all times.
'Tough Tops' are perfect for storing any type of food or liquids, as well as crafts, hardware, sewing supplies, and much more!
'Tough Tops' are BPA and Phthalate free. When it's time to clean them up, just pop in the dishwasher - these lids won't warp or crack, and will last for years to come.