North Mountain Supply 48mm White Metal Lids – Pack of 12. These 48-400 continuous thread lids feature a plastisol liner designed for hot-fill processes, creating an airtight, hermetic seal once cooled. Their smooth white finish and ribbed edges provide a professional look and easy handling. Proudly Made in the USA, these food-safe lids are ideal for canning, packaging, and storage. Note: Test with your filling process to ensure compatibility. To promote a positive and satisfying customer experience, this product is covered by North Mountain Supply's 30 day hassle-free replacement program, in the event the product is damaged or defective.