Material: Non - toxic PVC Valve Types: Cross, Pull-Push, Screw Sizes: 1000ml, 2000ml, 2500ml, 4000ml (not regular size) Features: 1. EO gas sterilized, single use 2. Easy read scale 3. Non return valve prevent back flow of urine 4. Transparent surface, easy to view urine color 5. ISO & CE certificated