About this item ?Versatile Mason Jars?These wide mouth 16oz/473ml glass canning jars are wonderful for preserving, jam, honey, jelly, wedding favors, sauces, meal prep, overnight oats, salad, yogurt, and more ?Airtight Seal?The lids and bands on these mason jars provide a tight seal, ensuring your food stays fresh and prevents any leaks or spills. The wide mouth design makes it easy to fill and clean these mason jars, allowing for hassle-free food storage and meal preparation ?High-Quality Glass?Made from durable glass, these mason jars are built to last and can withstand high temperatures during the canning process.Avoid using in high temperature environments with sudden cooling and sudden heating to prevent product breakage.(please control the instantaneous temperature difference within 80 ) ?Mason bottle maintenance precautions? 1. The lid is made of tinplate material, please dry it in time when encountering water to avoid rusting. 2. Do not use excessive force to clean the inner wall of the glass. If it cannot be cleaned to the bottom, it is recommended to use a long handled brush for cleaning. 3. Do not approach a fire source or high temperature environment to avoid deformation of the bottle cap.4.Mason bottles can be placed in the dishwasher for cleaning or used in the microwave, but please note that the lid cannot be placed inside ?The best after-sales service?Our Mason bottles have good quality, but some glass products are inevitably damaged during transportation. If you are not satisfied with the received products or encounter problems during use, you can contact us first, and we will provide you with a satisfactory response and solution