UltrAspire Human Ergo 16 Ergonomic Flask Water Bottle (16 oz) Uniquely sized for the hour-long workout, Ergo hand friendly and low profiled, this polarity system-equipped water bottle is easily carried in the hand or streamlined against the torso Made of LDPE with Crystalline plasma silicon oxide coating for better taste and ability to clean bottle 16 oz. / 0.47L bottle capacity; Clear bottle with gray lid and red pop-top nozzle Bottle measures 8.25 inches tall, 3.75 inches wide, and 1.75 inches deep Fits well in most hydration vests or packs