925 Sterling Silver This is a set and will include the upper and lower peninsula rings (2 rings) Heat hardened for durability The upper and lower peninsula rings are created separate allowing you to choose to wear only the upper peninsula, lower peninsula, or both together! We designed this specifically to minimize snagging, stack together and fit comfortably. Available in sizes 5-11. (Note that these rings are handmade, please allow up to 1/4 variance in sizing.)