The brooch are made of high quality zinc alloy, lead and cadmium free, corrosion resistant, hypoallergenic, lightweight and durable, suitable for daily wear. Whether you're a urologists, a medical students, or a dialysis nurses. Wear this as a badge of expertise on lab coats, lanyards, backbags, hat or conference badges. This is a great gift for your friend who is a doctor, nurse or needs to go to the hospital. This brooch features a detailed cross-section of a kidney, with raised textures to highlight structures like the renal cortex, medulla, and pelvis. A minimalist yet anatomically accurate tribute to nephrology and urology. This creative brooch pin measure 1.25 inches by 0.9 inches and weigh 6.1 grams. It is our aim to bring satisfaction to our customers. If you have any question please tell us, we will try our best to solve your problem. This brooch transcends jewelry, it's a wearable testament to the unsung hero of human physiology. Designed for those who understand that every glomerulus counts. Silent Credential: A quick identifier among nephrology peers at crowded conferences. Educational Tool: Simplify patient explanations by pointing to the brooch's structures during consultations. Pride in Practice: For transplant surgeons, each wear symbolizes lives renewed through their skill. Ideal For: Nephrology fellowship graduations World Kidney Day commemorations Medical museum gift shop collections Retirement gifts for dialysis doctor