Is there another way to mail it out from Singapore? Thanks!

https://www.singpost.com/sites/default/ ... oods_3.pdf Page 37Part D - Other Specific Restrictions and Prohibitions as Determined by SingPost
9) OTHER SPECIFIC RESTRICTIONS AND PROHIBITIONS AS DETERMINED BY SINGPOST
The following restrictions supersede any of the restrictions and prohibitions mentioned in previous Parts. These are mainly due to operational constraints and/or the absence of any required agreement or approval.
Posting by post includes EMS, Parcels and packets.
All Liquids
SingPost does not accept the posting of liquids by post.
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