We would like to insert more variant of product. We are a contact lenses and presciption eyewear e commerce.
And we think about insert a label before check out to have a consulens with the final customer to help him best view solution like a off line shop and in case give the best experience for him with partner around globe.
There are a few approaches here - you could collect additional information on the product page, cart page or checkout. It’s tricky to provide code without seeing your theme’s code. I’d recommend working with a developer to implement.