Knee Deep condoms are meant to be used by couples who have kids but don't really wish to have their kids finding their condoms. Knee deep was created with an insert that creates a hidden pocket in the bottom of the box for the condoms.
DTF (down to fuck) was created for the stereotypical college “bro”. DTF is like having a Pringles can of condoms so you are always ready to go. This makes it an easy way to always be ready and not have to worry about running out of condoms to soon.
Unlock is a condom brand for a women who is ready and prepared. This brand was created to be easily slid into a purse and not get in the way of anything else. Each of the six condoms held with in is designed with its own key to show that its okay to have more than one partner.