Your own energy will cause the ring to change colour to reveal your inner emotions. Set s of instructions included. Do not allow to get wet.
The box contains six rings in each of four different sizes (twenty four in total) . Under 1.50 pounds each (normally !.99).
17mm is between N and O in UK rings sizes
18mm is just under Q
19mm is just over R1/2
20mm is just under U1/2