Abstract: ‘A Portable Multi-Strainer (11)’ for a kitchen sink comprising a filter screen (14) having a top and bottom surface, a top grid (12) having openings therein abutting the top surface of the filter screen (14), a bottom grid (15) having openings therein abutting the bottom surface of the filter screen (14), said strainer (11) being sized to cover the entire bottom of said kitchen sink and having a thin edge (18) border (17) adapted for a tight fit to the walls of said sink. The top grid (12) openings therein comprise numerous cells (13) all having top and bottom openings. Cells' (13) bottom openings abutting the top surface of the filter screen (14), ‘coinciding’ with the bottom grid's (15) openings abutting the bottom surface of the filter screen (14), resulting with all cells (13) functioning as many individual strainers, having waste particles retaining inside the cells (13) as water drains through filter screen (14) and the bottom grid's (15) openings.