Disney Minnie Mouse Mini Toddler Preschool Backpack (11") (Minnie Mouse School Supplies). Deluxe Minnie Mouse Backpack for Toddlers features adjustable shoulder straps, zip closure compartment, and top locker loop for hanging. . Toddler Backpack measures approximately 11" x 8" x 4" -- the perfect size kindergarten or preschool backpack for back to school. Sure to delight an fan of Minnie Mouse! Perfect way for little ones to carry their own snacks, small toys, crafts, and more! Officially licensed Minnie Mouse school supplies products -- for boys and girls alike.