This super soft and stretchy sleeve fits most penis pump cylinders. It is used for adding comfort and creating an airtight vacuum seal. We offer this accessory separately so you can upgrade your existing pump or replace an o...

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This super soft and stretchy sleeve fits most penis pump cylinders. It is used for adding comfort and creating an airtight vacuum seal. We offer this accessory separately so you can upgrade your existing pump or replace an old donut if it has become worn out. It can also help you sustain an erection, which is important if you wish to increase your size faster.

  • Creates air-tight seal for optimal pumping
  • Makes pumping more fun
  • Compatible with most pumping systems
  • Material:Silicone
  • Set include :1pc Donut Sleeve for Penis Pump Vacuum Cylinders
  • Creates air-tight seal for optimal pumping
  • Makes pumping more fun
  • Compatible with most pumping systems
  • Material:Silicone
  • Set include :1pc Donut Sleeve for Penis Pump Vacuum Cylinders

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