This card is to remember a twin on their Birthday. There is a boy and girl version. 10% of the sale of these cards will go to The Irish Neonatal Health Alliance. Card Size - 152mm x 104mm when folded.  Paper - 300gsm Tintoretto Neve Card. Tintoretto is an uncoated woodfree elemental chlorine free paper and is completely biodegradable and recyclable and conforms with 94/62/CE standards. Envelope - C6 Kraft Brown Ribbed Recycled Envelope. All cards are left blank on the inside for your own message.Each Card or Collection is sealed in a Cellophane Bag for protection. All products are illustrated, printed and packaged in my studio in Maynooth, Co. Kildare, Ireland.