Paint Cup Grid Tray Designed for comfort, this plastic grid tray is easy to clean and maintain, and it simplifies your painting process, saving you time. Paint Tray Liner Grid Designed for comfort, this liner grid is easy to clean and maintain, significantly reducing the time and effort required for maintenance. Plastic paint tray liner grid. Paint Tray Grid Piece The grid pattern ensures even distribution of paint and improves the overall effect and finish of your project. Small paint trough piece. Grid Insert for Paint Trays Made from plastic materials, this grid insert offers excellent durability and reliability, so it withstands the demands of frequent use. Plastic paint grid insert. Use scenarios - Home painting and larger projects: keep paint organized, reduce spills, and speed up cleanup. - Arts and crafts and scale model painting: ensure even color coverage and a smooth finish. - Workshops, classrooms, and studios: durable plastic construction supports frequent use.