No nasty chemicals added. Try organic broccoli sprouts, bean sprouts and lentil sprouts. When you grow your own sprouts at home, they are fresh and cost a fraction of those you buy at the grocery store.Each pack contains four sets of lids, allowing you to grow a constant supply of fresh sproutsFeatures- Silver.- Material: stainless steel.- Size: 8.4 x 8.4 x 1 cm.- A fairly fine mesh strainer with a perfect size allows for easy draining and emptying of the water from the mason jars but without losing seeds.- Stainless steel germination jar for preserving jars with wide mouths. Perfect for making organic sprout seeds in your or your kitchen.- Grow your own organic broccoli sprouts, lentil sprouts, bean sprouts and fine enough to use even tiny sprout seeds, including alfalfa, with these seed germination lids.- Easy and safe to use without sharp edges. Your mason jar's sprouting lids screw on easily and do not need to be removed to rinse or drain your.- Perfect for sifting, steeping and sifting or doubling up to strain smaller or loose leaf tea.