class DryBag_ColorBase extends Backpack_Base {};
class DryBag_Orange extends DryBag_ColorBase {};
class DryBag_Yellow extends DryBag_ColorBase {};
class DryBag_Blue extends DryBag_ColorBase {};
class DryBag_Green extends DryBag_ColorBase {};
class DryBag_Black extends DryBag_ColorBase {};
class DryBag_Red extends DryBag_ColorBase {};