Need advice on which Tenga to buy

I (20) have been masturbating for years but only started using lube a year ago and now I want to stop masturbating with my hands because I may be suffering from DGS and I also want to start training my stamina to last longer. I chose the Tenga because from my limited research they are smaller than standard male toys and because I live with my parents I need a toy that is both easy to clean and easy to hide. The Spinner, Air-tech, bobble and Flex are all within my budget. I know none of them will feel like a real vagina but which of these and their sub-types would feel closest to the real thing while also being easy to clean. Also it can be dried with a towel instead of leaving it outside to air dry or I can use something like a small fan to leave it in a cupboard to air dry if I make a stand with a 40mm fan to blow air through it (my parents get home before me so I can’t leave it out all day and then hide it before they get home because my job has me in there for about another 40 minutes after they get home)

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