we want to give Free Gifts Based On the atribute Size of the product

Hello,

Your plugin is very good and we want to buy the premium plugin of yours if it has a feature in which we can give different differnt gifts based on a attribute size ours is a furniture shop and we sell matresses so based on matress size we want to give the gift the option in free is turn variations also a product is there even we on that we cant see them while adding in a gift so please say us wether this option is availble in the premium version or we can give extra money for spending time and customizing for us if you can code that please say us thanqyou

Regards
Vfurnituremall