Heirloom Seed Saving Kit &ndash; Seed Sifting/Cleaning Screens. Set of Six Cedar & Stainless Steel Screens Handcrafted of Western Red Cedar & Stainless Steel screen mesh Ideal for sifting & cleaning seeds, drying & sifting herbs. For the hobbyist home gardener, or the professional farmer & seed grower. Cedar frame pieces are glued and fastened with stainless steel staples, and are guaranteed to never separate. Dimensions: Each screen measures 12" X 12" wide, 3" tall