VEVOR Flour Sieve Fine Mesh, 150 Mesh Flour Sifter, 304 Stainless Steel Fine Mesh Sifter Food-grade, 12.6" Fine Mesh Strainers for Baking, 5 Sizes Mesh hole for Mungbean, Rice, Flour, Pearl Powder

Dear Customer, no, these manual flour sieves are not designed to be stackable for multi-stage graded sifting. If this answer does not resolve your current issue, please contact us again for assistance.