US: Regular to United Kingdom Size Light / Regular

US: Regular: Corresponds to a Syngina fluid capacity range of 6–9 $\text{g}$, FDA absorbency tier of Regular Absorbency (6 to 9g), EDANA classification Normal / Medium (6 to 9g), physical dry dimensions of 48 $\text{mm}$ length $\text{x}$ 13 $\text{mm}$ dia., recommended flow Light to Moderate Flow, and format type Digital / Standard Applicator.

United Kingdom Size Light / Regular: Corresponds to a Syngina fluid capacity range of 3–6 $\text{g}$, FDA absorbency tier of Light Absorbency (Less than 6g), EDANA classification Very Light / Mini (≤ 6g), physical dry dimensions of 45 $\text{mm}$ length $\text{x}$ 11 $\text{mm}$ dia., recommended flow Light Flow / Beginning or End of Cycle, and format type Digital / Compact Applicator.