Is industrial hemp allowed in Singapore?

I have a backpack made of cotton and industrial hemp. Is it allowed in Singapore? Is there any source of real law that can confirm this? All I can find is people who are confused about what hemp is first on Tripadvisor and other sites. For reference, the backpack is something like that (it's not the exact model):

I mean, this may seem a bit stupid, but it's better to be safe than sorry, I suppose.