urine collection bag; rubber urine bag
A bag for collecting urine, typically used in medical or caregiving contexts.
After the surgery, the patient was fitted with a urine collection bag.
In old documents, 小便袋 can refer to the urinary bladder.
Compound of 小便 (しょうべん, 'urine') and 袋 (ふくろ, 'bag'), literally 'urine bag'.