SII-ONCO-BCG is a freeze-dried Bacillus Calmette-Guérin (BCG) immunotherapy product manufactured by Serum Institute of India. It is used in selected cases of non-muscle-invasive or superficial bladder cancer. The product is administered intravesically under medical supervision, where it stimulates a local immune response in the bladder to help control malignant cells. The pack shown contains three vials along with the branded carton, making it easy to identify the product visually.