18 Inch Doll Rolling Backpack Toddler Luggage w/Detachable Monkey | Fits American Girl Dolls Adorable plush monkey is removable and is perfect for your 18 inch doll. Backpack has a working wheeled trolley with handle that extends for pulling behind your doll. Backpack can be removed from the trolley and has adjustable straps so it can be placed on your dolls back. Made to fit all 18 inch soft-bodied dolls like American Girl, Gotz, Our Generation, Journey Girl, Madame Alexander, etc. Outside of the backpack is made of a soft pink fabric, inside is lined, working zipper and adjustable straps.