Specification With the lids for sprout jars you can transform your preserving jars into a multi-tool Size: Wide Edge (3 in (76 mm) inside and 3 3/8 in (86 mm) outside diameter) This lid is made of sturdy stainless steel with mesh holes in the lid that are big enough to drain well but small enough to hold the tiny seeds like alfalfa Order more than one jar lid and rotate your approach every 3-4 days to ensure you always have a supply of your favorite sprouts. At home, you can not only plant fresh buds and enjoy healthy food with them, but also make tea, tincture, juice, broth. Soaking nuts, almond milk, seeds and legumes is also possible as well as dusting cocoa, sugar, flour, spices, condiments, powder for the kitchen or any powder that needs to be dusted on your garden. These seeds are a perfect addition to the glass: Beans - All (see Mung Note below) Mung Bean Jars should only be used to grow small (1 / 8-1 / 4 inch) mung sprouts - which they do quite well Grains - All Nuts and Seeds - Almonds and Peanuts - The Big One. A good match for the jar: these seeds can all germinate wonderfully in a jar if you pay special attention to the details of germination. Leafy Sprouts - Alfalfa, Clover, and Mixtures - All Brassicas - Broccoli, Radishes, Cabbage, Kale, Tatsoi. Exotics - garlic, onion, fenugreek, Hot + Sweet, Clem's Choice, etc. Seeds - buckwheat groats, quinoa, amaranth, sesame, pumpkins, sunflower - the smaller and more delicate.