About this item: An effective tool to remove any air bubbles from your jars before sealing them. Simply run the bubble popper around the edges of the jar and gently shift the food to release any air that may have been inside. Design: A canning tool designed specifically to remove air before sealing jars. This helps preserve food in a fresh state for longer periods of time. Easy to use- Convenient canning kit with measure marks on one end to ensure that you don't spill over your jars. Durable: This heat-resistant and safe canning tool will last for several years of canning seasons, making it a reliable addition to your canning supplies. Notes: Come with 1pcs Canning Bubble Popper. Please clean the item before use, and make sure there is no residue on the surface of the product.