Please remove your passport cover to facilitate immigration clearance.
Do not carry goods for other people. If the goods are or contain dutiable, controlled or prohibited items, you will be held responsible. Under the Singapore law, the penalty for the illegal importation of controlled drugs such as heroin or morphine is death.
Under the Singapore law, you are required to open, unpack and pack your baggage when the checkpoint officer wishes to conduct an examination of your baggage. This is to give you full control over the entire proceeding. You can determine the manner of the opening, unpacking and packing of your personal belongings. This would also prevent any unintentional damage to your baggage or belongings.