Mario Bros.: Koopa Shell Plush and Backpack - 16 inches diameter This plush is from the hit and classic video game series, Mario Brothers! This is a plush of a Koopa shell that can be seen throughout the video game series. This plush backpack features one zipper pocket and two adjustable buckle strap. It's great for any fan of the Mario Bros. series or collector! Dimension & Measurement: Approx. 16 inches in diameter Approx. 7 inches in thickness Straps can be adjusted up to approx. 31 inches