Janna Salak Designs Small Pets - Cute Hedgehog and Hearts Design Blue - Greeting Cards-12 Greeting Cards with envelopes by Janna Salak Designs. $15.95. Cute Hedgehog and Hearts Design Blue Greeting Card is measuring 5.5w x 5.5h. Greeting Cards are sold in sets of 6 or 12. Give these fun cards to your friends and family as gift cards, thank you notes, invitations or for any other occasion. Greeting Cards are blank inside and come with white envelopes.. Save 20%!