You can cut them freely according to your ring size with the bonus scissors.
0 inches (W) x 6.5mm 4mm and 5mm diameter in 2 different shapes Round and Flat they are both 4inches in length for each can meet most of your needs for your rings. 4Pcs Ring Size Adjuster Invisible Clear Ring Sizer Jewelry Fit Reducer Guard US Clear Ring size adjuster is made of TPU 4Pcs Ring Size Adjuster Invisible Clear Ring Sizer Jewelry Fit Reducer Guard US Clear Dimensions: 8.