HERE. Essentially, you take 2 pieces of cardstock, regular card size (A2). You score the short sides at 1/2" and 1". I used a 2 1/2" circle punch for the cut out.
My Supplies List (all supplies and images by Stampin' Up! unless otherwise noted):
Stamp Set(s): Family Reunion
Ink: Summer Starfruit
Papers: Midnight Muse, Summer Starfruit, Raspeberry Ripple, Primrose Petals, Wisteria Wonder, Gumball Green
Accessories: Blossom Party die, Two-Step Bird punch, Itty Bitty Punch Pack, Basic Pearls, In-Color Dahlias