Once the urine flows into the kettle body, it will not overflow (no need to cover, plug and other common structures to block the leak), similar to a -way valve, the liquid can only flow in direction, can not flow out.
Urinal Bottle Night Drain Container Set
Reusable Female Urinal Bottle Night Drain Container
DOITOOL Plastic Urinal Pot with Lid Children Chamber Pot Portable Adults Spittoon Patient Night Urinal for Car Elderly Patient Hospital Emergency Portable Toilets Pee Container
Elder Patient Female Urinal Bottle Pee Bottle Night Drainage Container
