This Heavy-duty oversized cylinder is designed for the big man. Super stretchy XL enhancer ring is included. Removable, flexible air hose easily detaches while maintaining superior suction.Measurements:-Cylinder: 11.5 x 4/29.25 cm x 10.25 cm-Enhancer: 1.25/3.25 cm Materials: -Cylinder: Acrylic -Hose, ring: Silicone -Handle, release valve: ABS -Connector: POM