Suitable for holding the jar at an angle for germination. It can be adjusted to any angle and once tightened it be made of 304 stainless steel and reusable. Slide more. Measures 5.3 x 3.7 inches and fits wide and standard mouth jars and other jars. Made of 304 stainless steel and reusable. The outside is covered with silicone, making the shelf stronger and more stable and not slip. Gasket sprouting lid fits 86mm wide mouth jars or canning jars. Easier to soak, rinse and drain while sprouting. Wide mouth sprouting lid with breathable drainage holes - for easy drainage and good air circulation. Bean Screen cultivates a variety of nutritious bean sprouts, including broccoli, alfalfa, mustard, mung beans, and more. Colour:As Shown Material:PP Package Contents: 1 set * jar sprouting lids(16pcs,The lid color is random and cannot be specified) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.