"Take serious pumping to a whole new level!" - American Pumper's Association- 9" x 2.25"/22.75 cm x 5.75 cm (cylinder)- High quality, heavy-duty pump with oversized flanged cylinder with universal incremental measurements- EZ-Squeeze trigger handle- Push button release valve- Tapered Silicone secure fit donut- Flexible non-crimping air hose- SAN (cylinder) ABS (handle) ABS with Silver Plating (handle grip) Silicone (donut) POM (release valve) - Phthalate-Free PVC (hose)