1 Pack Canning Lids A convenient way to convert mason jars into drinking bottles, ideal for iced tea, cold brew, and protein shakes. Stay refreshed this summer. Widely Compatible The inner diameter of each mason jar pour spout lid is 3.3 inches, making it compatible with all wide mouth mason jars. Airtight & Leak-Proof Features a silicone gasket for a secure seal, which is detachable and easy to clean. The pour spout allows for easy dispensing of liquids like salad dressing, while the airtight flip-top cap ensures spill-resistant storage in the fridge. Long-Lasting Storage Provides a durable, airtight solution for storing both wet and dry foods. High-Quality Materials Made from BPA-free, heavy-duty plastic. These flip cap lids are durable, dishwasher safe, and safe for use in the fridge and freezer. Note: All measurements are manually taken; please allow a 13 cm variation. Due to differences in lighting and display, there may be slight color variations. The actual item received may differ slightly in color.