Non-metallic bottle caps; non-metal caps for bottles

Hydration packs containing a fluid reservoir, delivery tube, and mouthpiece; personal fluid hydration systems comprising a fluid reservoir, a delivery tube, a mouthpiece and a carrying pack; drinking bottles for sports; drinking flasks; sports bottles sold empty; squeeze bottles sold empty; drinking vessels; fluid water valves being parts of personal fluid hydration systems; fluid line connectors being parts of personal fluid hydration systems; drinking delivery tubes being parts of personal fluid hydration systems; mouthpieces being parts of personal fluid hydration systems; insulated bottles sold empty; insulated sports bottles sold empty; collapsible drinking bottles sold empty; bottles sold empty having mouthpieces; bottles sold empty having bite-actuated mouthpieces; collapsible drinking flasks sold empty