One-piece Post-Op Cut-to-Fit Convex Urinary Pouch with Flutter Valve 3/4″ x 1-1/2″ Oval, 3-1/4″ x 4-5/8″ OD, 9″ L x 5-3/4″ W, 1/2″ Starter Hole, 20Oz, Medium, Adhesive Foam Cushion Pad, Odor-proof