Make sure she's a good fit! The ring of course :) You don’t want to guestimate on this one! Your fingers fluctuate in size throughout the day, our Bands 4 Bros Ring Sizer allows you to verify your size so you get the most accurate measurement. Leave the guessing to the weatherman, and get this one right the first time. Oh, and with your purchase we’ll throw in a 20% discount code to use towards that epic ring. More on sizing here.