What happens if I do not declare Switchblade, gravity, ballistic and Balisong (butterfly) knives in Singapore?

Under Goods and Services Tax, if you declare the excess yourself: the normal duty becomes payable on the excess. Under Customs Act 1960, section 128L, if it is treated as smuggling: it is prosecuted as a criminal offence. Under Customs Act 1960, section 124, if the goods are found without being declared: the goods are confiscated.

Can I post or ship Switchblade, gravity, ballistic and Balisong (butterfly) knives to Singapore instead of carrying it?

Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead. Baggage sent before or after you is outside this allowance.

Where does this rule come from?

Singapore Customs states it in Guideline on Prohibited, Controlled and Non-Regulated Items. CarryRules last confirmed that sentence at the source on 2026-09-19.

How does Singapore compare with other countries on Switchblade, gravity, ballistic and Balisong (butterfly) knives?

Of the 20 countries covered here, 12 prohibit Switchblade, gravity, ballistic and Balisong (butterfly) knives, 7 limit it and 1 let it through. Singapore is among the strictest.

How much Switchblade, gravity, ballistic and Balisong (butterfly) knives can I bring into Singapore?

Prohibited

You cannot bring Switchblade, gravity, ballistic and Balisong (butterfly) knives into Singapore.

Carried Not allowed

Declaration Required — surrender

Limit No stated quantity

What you need to know

No stated quantity
Channels: Carried with the traveler

Important

This allowance applies per person, not per family or group.

Official sources

Last verified 2026-09-19

Guideline on Prohibited, Controlled and Non-Regulated Items Singapore Police Force, Police Regulatory Department

Questions about Switchblade, gravity, ballistic and Balisong (butterfly) knives in Singapore

How many Switchblade, gravity, ballistic and Balisong (butterfly) knives can I bring into Singapore?: Switchblade, gravity, ballistic and Balisong (butterfly) knives may not be brought into Singapore at all. The allowance is per traveller and cannot be pooled between people.
Do I have to declare Switchblade, gravity, ballistic and Balisong (butterfly) knives at Singapore customs?: There is nothing to declare — Switchblade, gravity, ballistic and Balisong (butterfly) knives cannot be brought in at all. Declaring it does not make it admissible; it hands it over.
What happens if I do not declare Switchblade, gravity, ballistic and Balisong (butterfly) knives in Singapore?: Under Goods and Services Tax, if you declare the excess yourself: the normal duty becomes payable on the excess. Under Customs Act 1960, section 128L, if it is treated as smuggling: it is prosecuted as a criminal offence. Under Customs Act 1960, section 124, if the goods are found without being declared: the goods are confiscated.
Can I post or ship Switchblade, gravity, ballistic and Balisong (butterfly) knives to Singapore instead of carrying it?: Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead. Baggage sent before or after you is outside this allowance.
Can I take Switchblade, gravity, ballistic and Balisong (butterfly) knives out of Singapore?: Singapore publishes no separate rule for taking Switchblade, gravity, ballistic and Balisong (butterfly) knives out; the destination's rules are what will apply.
Does the Singapore limit for Switchblade, gravity, ballistic and Balisong (butterfly) knives apply per person or per family?: Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.
Where does this rule come from?: Singapore Customs states it in Guideline on Prohibited, Controlled and Non-Regulated Items. CarryRules last confirmed that sentence at the source on 2026-09-19.
How does Singapore compare with other countries on Switchblade, gravity, ballistic and Balisong (butterfly) knives?: Of the 20 countries covered here, 12 prohibit Switchblade, gravity, ballistic and Balisong (butterfly) knives, 7 limit it and 1 let it through. Singapore is among the strictest.

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