Backpack straps; Backpacks; Backpacks compatible with personal hydration systems, sold empty; Backpacks for pets; Backpacks incorporating jackets; Backpacks with rolling wheels; Backpacks, book bags, sports bags, bum bags, wallets and handbags; Baby backpacks; Bullet-proof backpacks to protect the contents of the backpack; Pouches and bags sold empty for attachment to backpacks; Protective fitted liners for backpacks and luggage; Sack packs, namely, drawstring bags used as backpacks; Schoolch...