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.