US: Ultra to United Kingdom Size Super Plus Extra / Ultra
Cross-market women’s tampon absorbency and physical dimension conversion mapping Ultra specifications into Super Plus Extra / Ultra.

Analyzing Women’s Tampon Absorbency and Capacity Equivalence Across Markets
US: Ultra: Corresponds to a Syngina fluid capacity range of 15–18 , FDA absorbency tier of Ultra Absorbency (15 to 18g), EDANA classification Ultra / Maximum (15 to 18g), physical dry dimensions of 55 length 18 dia., recommended flow Very Heavy Flow / Overnight Protection, and format type Digital / High-Density Core Applicator.
United Kingdom Size Super Plus Extra / Ultra: Corresponds to a Syngina fluid capacity range of 15–18 , FDA absorbency tier of Ultra Absorbency (15 to 18g), EDANA classification Ultra / Maximum (15 to 18g), physical dry dimensions of 55 length 18 dia., recommended flow Very Heavy Flow / Overnight Protection, and format type Digital / High-Density Core Applicator.