What is differences between 'medium size' and 'medium sized', and why don't we use 'medium size' in 'There are three sizes- these are medium sized'? May I know the differences between 'medium

Small and medium businesses

Food Portions: Choosing Just Enough for You - NIDDK

Reusable Menstrual Cup - Medium (1N)

Birkenstock Narrow Vs. Regular - NuShoe

What is the difference between short and small? - Quora

Condom Sizes Guide - Best Brands for Every Length and Girth

Did you notice that the KFC chicken pieces have been getting smaller and smaller? - Quora

Glasses Measurements: How to Find Your Size

Is there a difference between the words 'scale' and 'size' when referring to the size of objects in the English language? Which one is more commonly used? - Quora

Yarn Weight Chart and Guide - Sarah Maker

Glasses Measurements: How to Find Your Size

A Comprehensive Guide to Notebook Sizes + Infographic - Galen Leather

When someone uses the word 'modest' to describe the size of something, what does it mean? Small, medium, moderate, or large? - Quora