Quality: Made of environmental protection material. Completely Hygienic and easy to use, reusable or disposable. Design: The bottles are retractable, sealing performance is great, will not leak when the urinal put down. The funnels are soft and flexible. Design for adults and children. Portable: Lightweight, save space and easy to carry, you may carry them while you are traveling, camping, hiking and traffic jam. Capacity: Extreme capacity is 700ml/25oz can hold adult pee 2 times at least. Easy to clean. Reusable after cleaning. Useful: Necessities for long distance car driving, outdoor camping activities, hiking and journey etc. Emergency use for traffic jam, persons in wheelchairs, bedside backup etc.