If they are in your Cart; edit it.
If you agreed to purchase the items.
It is now between you and the seller.
If you look around a bit you'll see 'Contact Seller' in the drop down menu under 'More actions.
You''ll also find 'Ask a question' at the bottom of the listing.
And... If you right-click on the member's name it will take you to his page.
There you will find 'Contact'.
