70% plastic/30% stainless steel imported Food-Grade Material These sprouting jar lids are made of food-grade and high-strength ABS plastic, and the grid is made of 316 stainless steel. Durable, anti-aging and easy to clean. The mesh is made of high-quality 316 stainless steel to allow water to flow through easily while retaining the smallest germinated seeds. The stand with four foot pedals allows the bottle to be turned upside down for easy filtration of excess water, and the ergonomic design makes it easier to tighten and remove the cap. Perfect design for sprouting, easy to blot the jars on the small stand, easy to soak, rinse and drain seeds and sprouts without losing them from the holes, and easy to clean. Fits Wide Mouth Ball, Kerr and Bernadin Masson Pine Jars