Does the starter dildo feel similar in width to the larger dildo?

I’m a 24 year old gay guy interested in hitting rock bottom in the near future. I am using the calexotics anal training kit with 1 inch, 1.25 inch and 1.5 inch plugs. I’m currently using a 1.25″ plug and will soon be upgrading to a 1.5″ plug. Out of curiosity, does the starter dildo feel similar to the width of a 1.25″ plug or a 1.5″ plug? Also, does a standard dildo feel similar to a 1.5 inch plug or is it larger in diameter? Thanks for your help.

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