HomeDining dealsSubway Merdeka Day Promotion Dining deals Subway Merdeka Day Promotion Deal EditorSeptember 20, 2021September 17, 2022 To celebrate Merdeka Day, Subway is offering a box of 6 freshly baked cookies for only *RM6.40. Grab this special promo from 31st August – 16th September at participating restaurants, while stocks last. *Price excludes 6% SST