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This Spectrum and Ultimate Package replacement silicone can also be used as a C-Ring (Cock Ring or a Girth Clamp) during sex or masturbation.


Medical Grade silicones.


Best for over 4" flaccid girth behind the head when penis stretching.

18 and older to purchase.


International orders might have customs fees upon arrival. STILL-ON Systems is not responsible for those fees. 


Free USA Shipping in discrete packaging. Ships Worldwide.


We are currently working on a Size 3 silicone in different softness. Please email us at to be updated. Estimated time of completion in the Summer of 2023. 

Individual Size 2 Silicones - Free USA Shipping

$18.99 Regular Price
$16.99Sale Price