MIX & MATCH FUN: Mario on one side, Luigi on the other. Enjoy both Mario & Luigi at the same time! NINTENDO: Officially licensed Super Mario Bros. by Nintendo WARMTH & COMFORT: Uppers are soft plush for maximum warmth and comfort INDOOR & OUTDOOR: Kids can enjoy Mario & Luigi slippers both indoor and outdoor- at home, in the park, and at school! SIZING: From heel to big toe, approximate measurements (in inches) are: size 11/12 (8.1 inches), size 13/1 (8.8 inches), size 2/3 (9.4 inches), and size 4/5 (10.1 inches). Perfect for kids ages 5 to 12.