Shake Shake In A Tub is offering a limited-time 9.9 promotion from 7 to 9 September 2026, featuring a $9.80 Popcorn Chicken Combo with the option to top up just $0.10 for a Ceremonial Matcha Latte. Find out why this three-day food deal at Tampines OTH and 111 Somerset could be worth checking out.
