The design on the back is also visible. Acrylic Magnetic Frame We use 2 types of thick acrylic plates, so you can use both sides as you like. For use with Sengsha bills (approx. W 1.6 x H 3.9 inches (40 x 100 mm), ID reca (approx. W 2.2 x H 3.5 inches (55 x 85 mm), half size printing, mini photo (W 2.5 x H 3.3 inches (63 x 89 mm), instax square guessing cards, etc.