Customizable, Penicillin Allergy, Medical Alert Identification Bracelet, Stainless Steel, 8" (Includes FREE Engraving) Penicillin Allergy medical alert bracelet. Heavy duty stainless steel construction, will not rust or tarnish, safe for water. Deep stamped custom inscribing. very easy to read will not scratch off or wear out Strong curb link chain and lobster claw clasp that is adjustable down to fit more snugly. Customizable! 3 lines with 16 characters per line, stamped on the inside of the bracelet. Made in and ships from U.S.A