Facebook banner ad size

any one know how to change facebook banner size

i setup facebook bidding with mopub but facebook banner size is to large

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@NiotronStaff please help

If you are doing facebook bidding with mopub you would have to use mopub banner component instead, and check mopub banner AdSize property, there you can set ad size.

this setting in mopub account ?

Use This Block on Niotron :point_down:

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this block is correct ?