Medical urine collection devices are made from medical-grade PVC or PE 

material  and feature a transparent or semi-transparent design.  They are

leak-proof, durable, and have a shelf life of 3 to 5 years. The product range

includes  various  valve  types such as cross valves,   push-pull valves,   and 

screw valves, with some models equipped with sampling ports or medication

ports. Capacities range from 100ml for infants to 2000ml for adults.