Big e-commerce website

i’m looking for big e-commerce theme , but i’m really looking for one specific option and it is quantity option , i have attached a photo that has similar for what i need … so how do i get something like that ? …

thanks in advance.


I think the feature you expect is available in every theme…

i want it to be on the main page not inside or when i click on product just as i have attached the picture … i want it to be on main page