This leg urinary drainage bag delivers clinical-grade incontinence management with thoughtful design features. The anti-reflux valve actively prevents backflow, significantly reducing urinary tract infection risk—a critical concern for patients requiring long-term catheter care. Transparent medical-grade construction with graduated markings enables precise output monitoring, essential for detecting changes in kidney function or hydration status. The tangle-resistant tubing maintains consistent drainage flow, while adjustable elastic straps provide secure, discreet positioning under clothing without compromising circulation or comfort. The lever-operated drainage mechanism allows hygienic emptying without bag removal, minimizing contamination risk and simplifying daily management. Large capacity reduces frequent emptying needs, supporting independence and dignity for users managing incontinence at home or in care settings.