Is telling someone ''you're not my type'' too offensive or ok?

I was chatting with someone online. Everything was ok until we exchanged pictures. Someone with indigenous features and noticeably overweight (chubby face) isn't exactly my type. I know he wanted to meet me but agh, I just wasn't attracted to him.

Nowadays I tend be honest. I just said ''I appreciate you wanting to meet me but honestly you're just not my type''. Was that offensive or ok?

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He had some of the traits I look for but lets just say he would need some work on the physical department. I couldn't get past his looks and indigenous men aren't really my cup of tea.
Is telling someone ''you're not my type'' too offensive or ok?
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