My Chemical Romance and Green Day Bracelet Wristband My Chemical Romance and Green Day Bracelet Wristband My Chemical Romance : L=8.27" or 21 cm ,W=0.79" or 2 cm,Circumference Step1=6.54" or 16 cm ,Step2=7.17" or 18 cm Green Day : L=8.66" or 21 cm,W=0.87" or 2.2 cm,Circumference Step1=6.61" or 16 cm ,Step2=7.56" or 19 cm