no...cannot
How it cannot be used or
treated
Apart from the exceptions stated in the
Singapore Arms and Flag and National Anthem (Amendment) Rules
2007, the flag cannot be used:
(a) in any trademark or for any commercial purpose;
(b) as a means, or for the purposes, of advertisement;
(c) as, or as part of, any furnishings, decoration, covering or
receptacle;
(d) at any private funeral activity;
(e) incorporated or worn as part of any costume or attire;
or
(f) on any private vehicle.