Q-Ray Sterling Silver Standard Made with 92.5% Sterling Silver. The Sterling Silver Standard has a durable solid band and comes in a Deluxe Gift Box What size should I wear? Size is determined by measuring the circumference of your wrist. The correct placement of the Q-Ray Ionized Bracelet is initially on the right wrist with the two terminals (balls) positioned between 1/2 inch to 1-1/2 inches apart on the top of the wrist or ""up"" position. You may also wear the bracelet on t