Pre-Formed Artificial Nails: A Discussion on Nail Systems

Question
i am doing an assignment on nail systems and need to know information on pre formed stick on nails could you please advise me.

Answer
I'm sorry but i'm against stick on nails, besides this can not be considered a nail system, so i regret to inform that i can not help.
Sorry i couldn't be more of assistance.
Sorry for taking longer than usual to reply but i've been having some problems conecting to the internet.