NWT - Steve Madden Mia Youth Backpack With Pencil Case Shine on. Hot pink metallic sets the tone for a great day and this backpack from Steve Madden is also water-resistant. What could be better? A matching pencil case, yess! Large sized bag; 10"W x 12-1/4"H x 5"D (width is measured across the bottom of backpack) 2"L handle; 15"L straps Zip closure Gold-tone exterior hardware, 2 zip pockets, 1 slip pocket with ID window, removable pencil case & adjustable drawstring water bottle pocket