It's simply a landscape card with the opening at the top and the sides sealed to create a pouch.
I was following the #GDP054 sketch from the Global Design Team (turned it on it's side) and playing with the fabulous new Cable Knit Dynamic Designer Textured Embossing Folder (and it's a mouthful!). It's so *snuggly* you'll just want to rub your hands across the embossed paper over and over again.
TIP: Spritz your card stock on both sides with water before putting it in the folder and remember to only use ONE plate on top when running it through the Big Shot. Your "sandwich" will look like this (from the top to the bottom):
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