Description These iron screw bands are perfect for all your storage needs! Made of premium material with seal ring inside ensures the sealing of mason jar Durable and high quality, will last a lifetime. They can be used for canning or partner with your favorite mason jar accessories, including drink tops and fermenters. Features - Color: Silver. - Material: Iron. - Size: Approx. 7x7x1.4cm. - High Quality: Made of iron, will not rust with normal use. - Easy to Wash: These screw bands can be boiled and sterilized after each use. It's also fully dishwasher safe. - Useful: Use for canning or partner with your favorite mason jar accessories, including drink tops and fermenters. - A Good Kitchen Tool: metal screw rings for wide mouth mason jars. Perfect for making organic sprout in your house or kitchen. - Multi-purpose: Works well for almost all sprouting - including alfalfa sprouts, mung bean sprouts, kale sprouts, radish sprouts, broccoli sprouts, lentil sprouts, etc. - Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you!Package list: 10 x jar rings