Poster Sea Animals, Underwater Illustrations Poster A4 Pufferfish, turtle, and octopus bring the underwater world into the children's room. I created the original illustrations on black scratchboard, then scanned and colored them on the computer. It is printed on high-quality, FSC-certified, uncoated, and sturdy natural paper at a local printing company I trust. Size: A4 (21 x 29.7 cm) Print: on 300g cream-colored fine paper