yourATCstore I Wonder? #10 Collage Sheet. This I wonder collage sheet has 11 gorgeous beauties pondering thoughts of love and life. There are also 11 miniature images of each beauty. What do you think they are wondering about? These are beautiful images of beautiful women and children for ATCs, greeting cards and collage project. This matte finish collage sheet is professionally printed and comes in a crystal clear bag for protection. Sheet measures 8 1/2" X 11" and are Acid Free.