WIDE MOUTH Leakproof reusable mason jar silicone disc gasket lids. Bands and jars not included. Fits mason jars from all major brands including Ball, Kerr and Bernardin. Choose between regular mouth and wide mouth sizes. Creates a secure, airtight and leakproof seal. BPA-free, premium food-grade silicone. Dishwasher safe. Zoie + Chloe Silicone Lids are specially designed to provide leak-proof seal to major brands mason jars including Ball, Kerr and Bernardin. Choose either the standard regular mouth or wide mouth size.