Seeded cards to plant thanks / thank you

A set of 15 pretty cards to plant to say thank you In mint seed (green crown) or wild flowers You don't really like a card from the assortment? 
Write to me we can exchange it with another Double cards in A6 format (possibility of planting one side of the card and keeping the other!) with a short instructions on the back of the card to know how to plant your card with its kraft envelope in protective PLA blisters (industrially biodegradable) Possibility for shops that do not want them (bulk shop) to have them without blisters, you just have to tell me when ordering Postcard and Greeting Card