The perfect bag for organizing the roof box load made from durable and lightweight water-resistant ripstop polyester. Easy access to your gear through an oversized, wide-mouth opening. Quick access to smaller items through the external zippered accessory pocket. Removable padded shoulder strap and padded grip handles for comfortable carry either as a backpack or as a duffel and four external carabiner clip points to attach accessories. Mesh ID window with removable ID cards to easily tell one GoPack from the other. One Thule roof box holds four GoPack duffels.