18 (Based on Use in Commerce) Backpacks; Backpacks compatible with personal hydration systems, sold empty; Backpacks, book bags, sports bags, bum bags, wallets and handbags; Messenger bags; All-purpose carrying bags; Military duffle bags, garment bags for travel, tote bags, shoulder bags and backpacks; Pouches and bags sold empty for attachment to backpacks(Based on Intent to Use) Bags for sports; Luggage; Duffel bags for travel; Duffle bags; Hunting bags; Sack packs, namely, drawstring bags used as backpacks; Small backpacks; Sportsman's hunting bags; Travelling bags