yourATCstore Pink Artist Trading Card Collage Sheet #2. This is our second pastel pink themed collage sheet that has many different sized images to fit perfectly on your ATCs. These adorable pink photos will also work with your altered art, greeting cards and other collage projects. This matte finish collage sheets is professionally printed and comes in a crystal clear bag for protection. Sheet measures 8 1/2 in. X 11 in. and are Acid Free.