The U-Bag® Urine Specimen Collectors are the first choice for convenience, protection, and care for an infants tender skin. This complete system of urine-collectors offers features which facilitate every infant urine-collection need. Important features at a glance: See-though butterfly patch makes application easy and accurate Comfortable for baby, and suitable for use with both males and females Construction with a no-flow back valve keeps urine away from the skin to prevent irritation Adhesive patch can be folded in half to seal the specimen for sending to the lab