18 daypacks, backpacks, waist packs and hip packs; book bags and duffel bags; luggage and briefcases; pack frames and pack bags, sold as intergral components of backpacks, luggage and briefcases, and stuff bags in the nature of day packs, backpacks, waist and hip packs, book bags and duffel bags, luggage and briefcases which contain straps, pads and belts