Made of premium quality, lead-free glass material, our glass milk bottles with caps are perfect for storing milk, butter-milk, honey, maple syrup, jam, homemade sauce, barbecue sauce, hot sauce, ketchup, and more! Our lids are designed with a security ring, you’ll know right away if the bottle has been opened already. Our milk jar with lids is dishwasher safe and even easy to clean by hand. Simply wash with warm water, mild dish soap and a non-abrasive sponge to get your bottles squeaky clean!