- 8 x 2.25/20.25 cm x 5.75 cm (cylinder)- The perfect pump for the first time or advanced pumpers - American Pumpers Association- Clear vacuum cylinder with universal incremental measurements- EZ-Squeeze pressure bulb with push button release valve- Flexible non-crimping air hose- Flanged base with removable soft ribbed donut- Stretchy enhancer with EZ grip handles- SAN (cylinder), Silicone (enhancer, donut), Phthalate-Free PVC (hose), Rubber (bulb)