This Hismith suction cup adapter is a high quality, affordable tool. It is electro polished for a super smooth surface, you can use it as a mirror. It fits with a self-locking quick air connector sex machine, and any size dildo with powerful suction can be perfectly compatible with this adapter, so you are not tied down to one particular size dildo. and you don't need to buy an additional dildo to enjoy the sex machine pleasure. you can take any dildo you have to lock it on your sex machine, then start an unbelievable sex journey. What are you waiting for? Come on, you won't be disappointed.

NOTE:
This suction adapter is not including any dildos, the dildos on picture just for reference only, besides,this adapter just fit for those sex machine with quick air connector.
The suction cup diameter is 4.5inches, so it does not suit those dildos which suction cup diameter over than 4.5inches, keep that in mind.