Sprouting Jar Stands: what you will receive are 12 pieces of stainless steel sprouting stands in black color, which are enough for your using and can keep wide and regular mouth mason jars in angle for sprouting Adjustable and Foldable: you can adjust the sprouting stands to any angle and then tighten, strong enough to hold without slipping, mason jar rack is nice sprouts growing tool for you to grow sprouts and microgreens at home Appropriate Size: sprouting stands for mason jar are approx. 5.3 x 3.7 inches, which are suitable for wide and standard mouth mason jars and most other canning jars, with the canning jars holder, you can grow your own bean sprouts at home Trustworthy Material: sprouting jar holder is made of quality stainless steel, sturdy, reusable, safe, rustproof, and not easy to break or fade, the outside is covered with silicone, make the foldable sprouting stands more firms, stable, and not slide Widespread Application: with these mason jar sprouting stands, you can drain the water and let air in, and enjoy delicious sprouts grown by yourself, such as alfalfa sprouts, bean sprouts, broccoli sprouts, sprouting stand also can be applied as a stands for phones and so on