The Pilot Bottle series is in a class of its own. It is ultralight with a unique easy-squeeze vessel and innovative self-sealingTruFlo valve helping deliver the maximum amount of water flow to get you to your end goal. The large locking levers enable one handed unlocking operation during your activity whilst guaranteeing a leak proof experience when locked. The easy grip rim makes lid removal simple and slip free. The Pilot also has a removable nozzle for easy cleaning. The bottle is BPA free.