Description
Silicone booster that is stretchy and pleasant.
Large enough to fit any pump cylinder.
Designed to effortlessly move from the bottom of the pump cylinder to the bottom of your shaft.
Silicone
2.5 cm/1” (diameter – medium ring; set)
3.25”/1.25” (diameter – large ring; set)
1.5”/3.75” (diameter – XL ring)














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