These iron screw bands are perfect for all your storage needs! Made of with seal ring inside the sealing of jar and , will last a lifetime. They can be used for canning or partner with your favorite jar accessories, including drink tops and fermenters. Features - Color: Silver. - Material: Iron. - Size: Approx. 7x7x1.4cm. - : 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 . - Useful: Use for canning or partner with your favorite jar accessories, including drink tops and fermenters. - A Good Kitchen Tool: metal screw rings for wide mouth jars. Perfect for making organic sprout in your house or kitchen. - Multi-purpose: Works well for almost all sprouting - including alfalfa sprouts, mung , 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