Dulux Sunny Day Yellow Paint Tester Pots Multipack 12 x 50ml Matt Emulsion Walls
(Up to 13 m² per litre (typical for Dulux matt emulsion). Range: Matt Emulsion (Interior). 2) Shake the tester, open and use the built‑in brush to apply a generous swatch. For best evaluation, paint at least an A3‑sized area.