MadPax Youth Polyurethane Whirlpool Spiketus Rex Fullpack Backpack Bag (Blue) Fullpack Size: 18H x 14W x 8D Halfpack Size: 14H x 12W x 6D Slot to store name tag & super durable zipper hardware! Padded shoulder pads (fullpack features center strap). NOTE: Fullpack features a center cavity, laptop storage pocket and two outside pockets for easy access. Halfpack features a center cavity, and one inner zipper pocket.