Unique design helps prevent leaks. Specially designed spout prevents spills and leaks once urine is in the storage container. Helps reduce odor problems. Holds 500cc of liquid. Autoclave at 225 deg F (107 deg C). Works best when used in a sitting position. Perfect for bedside use. May be hung on a walker. Complete instructions are included. Available in women's or men's, regular or clear models. Replacement O-ring gaskets sold separately in packages of 6. Color may vary.