5.5" x 8.5" gloss cardstock with white envelope *Full colour image on front *Artist bio on backBlank inside *Packaging is Eco Flap Seal Bags use EarthFirst® PLA film from Ingeo™ that is compostable and DIN Certco under ASTM 6400 and EN 13432.• 1.2 Mil thickness• Made from Plants!• Lactic Acid from plants is used to create the material Polyactide (PLA)• Compostable • Sustainable